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WO2018008768A1 - Matériau d'isolation thermique et matériau d'isolation thermique multicouche - Google Patents

Matériau d'isolation thermique et matériau d'isolation thermique multicouche Download PDF

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Publication number
WO2018008768A1
WO2018008768A1 PCT/JP2017/025125 JP2017025125W WO2018008768A1 WO 2018008768 A1 WO2018008768 A1 WO 2018008768A1 JP 2017025125 W JP2017025125 W JP 2017025125W WO 2018008768 A1 WO2018008768 A1 WO 2018008768A1
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WO
WIPO (PCT)
Prior art keywords
heat insulating
dielectric multilayer
multilayer film
insulating material
optical member
Prior art date
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Ceased
Application number
PCT/JP2017/025125
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English (en)
Japanese (ja)
Inventor
純孝 太刀川
孝太 冨岡
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Japan Aerospace Exploration Agency JAXA
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Japan Aerospace Exploration Agency JAXA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Priority to JP2018526469A priority Critical patent/JP6667914B2/ja
Publication of WO2018008768A1 publication Critical patent/WO2018008768A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/08—Means for preventing radiation, e.g. with metal foil

Definitions

  • the present invention relates to a heat insulating material and a multilayer heat insulating material.
  • a space device operating in outer space such as a space probe or an artificial satellite is required to suppress a temperature rise or temperature drop inside the space device within a predetermined range in order to perform a normal function.
  • a space device operating in outer space such as a space probe or an artificial satellite is required to suppress a temperature rise or temperature drop inside the space device within a predetermined range in order to perform a normal function.
  • the sunlight intensity is strong due to the short distance between the sun and the spacecraft
  • it is necessary to reduce the temperature rise inside the space device due to the incidence of sunlight on the other hand, for example, in a region where the sunlight intensity is low due to the distance between the sun and the spacecraft, it is necessary to suppress a temperature drop due to heat radiation from the inside of the space device.
  • Patent Document 1 discloses a heat control member for suppressing a temperature rise inside a space device due to the influence of sunlight.
  • This thermal control member has an infrared radiation layer formed of a material having a high infrared emissivity and a reflection layer formed of a material having a high reflectivity of electromagnetic waves such as visible light and infrared light.
  • the reflective layer is formed of metal (silver, aluminum, gold, etc.).
  • This thermal control member has a problem that radio waves cannot be transmitted and received inside the thermal control member because the reflection layer formed of metal reflects radio waves.
  • an object of the present invention is to provide a heat insulating material and a multilayer heat insulating material that can transmit radio waves.
  • the present invention provides: A first dielectric multilayer film configured to transmit radio waves; A second dielectric multilayer film having an infrared emissivity of less than 0.5 and configured to transmit radio waves; Provided is a heat insulating material including a first base material including a first main surface on which a first dielectric multilayer film is formed and a second main surface on which a second dielectric multilayer film is formed.
  • the heat insulation target object provided with the said heat insulating material 10 can suppress an internal temperature fall, it can ensure a normal function. Furthermore, in this heat insulating material, since the metal is not used by combining the first dielectric multilayer film and the second dielectric multilayer film, radio waves can be transmitted.
  • the first dielectric multilayer film is configured to reflect sunlight.
  • a temperature rise inside the heat insulating object for example, space equipment
  • the heat insulating material of the present invention preferably includes a spacer disposed on the second main surface side on which the second dielectric multilayer film is formed. Thereby, space can be provided between a 1st base material and a heat insulation target object (for example, space equipment), heat conduction is suppressed, and a heat insulation effect can be heightened.
  • the spacer is preferably made of polyimide foam and is lightweight and heat insulating material.
  • the heat insulating material of the present invention When the heat insulating material of the present invention is used as a multilayer heat insulating material, a higher heat insulating effect can be exhibited.
  • the present invention also provides: A plurality of laminated substrates; A dielectric multilayer film configured to transmit radio waves and formed on at least one main surface of each of the plurality of base materials; A spacer disposed between a plurality of substrates, A multilayer heat insulating material (MLI: Multilayer Insulator) in which at least one infrared emissivity of the plurality of dielectric multilayer films is less than 0.5 can also be provided.
  • MMI Multilayer Insulator
  • transmit an electromagnetic wave can be provided.
  • infrared radiation is highly radiated on the surface of the heat insulating material. Therefore, in a heat insulating object including the heat insulating material (for example, space equipment), an increase in temperature due to the influence of sunlight can be suppressed. Since infrared radiation can be cut off, normal function can be ensured.
  • infrared rays are radiated
  • the heat insulation target object provided with the said heat insulating material 10 can suppress an internal temperature fall, it can ensure a normal function.
  • an antenna needs to be arranged outside the heat insulating material. Therefore, for example, in space equipment in a region where sunlight is incident, the antenna is directly exposed to outer space, and therefore sunlight is directly incident on an antenna that is not covered with the heat insulating material.
  • the heat of the antenna whose temperature has risen is conducted to the main body of the space equipment, the temperature inside the space equipment tends to rise.
  • the heat insulating material of the present invention can transmit radio waves, the antenna can be accommodated inside the heat insulating material, and the heat insulating property can be further improved. Further, even in a space device in a region where sunlight does not enter, by housing the antenna inside the heat insulating material, it is possible to suppress a decrease in the internal temperature of the space device and to further improve the heat insulation.
  • FIG. 1A and 1B are partial cross-sectional views showing a state in which a multilayer heat insulating material 10 according to an embodiment of the present invention is attached to the outer surface of a space device.
  • 1A and 1B show a state in which the multilayer heat insulating material 10 is attached to the outer surface of the structural material 20 constituting the main body of the space equipment.
  • the upper side of the multilayer heat insulating material 10 is outer space, and the lower side of the structural material 20 is the inside of the space equipment.
  • FIG. 1A shows a case where sunlight is incident
  • FIG. 1B shows a case where sunlight is not incident.
  • the surface of the multilayer heat insulating material 10 preferably reflects sunlight in a region where sunlight enters as shown in FIG. 1A. Moreover, it is preferable that the surface of the multilayer heat insulating material 10 radiates
  • the multilayer heat insulating material 10 is configured to transmit radio waves. Thereby, it becomes possible to arrange
  • the infrared radiation can be cut by the multilayer heat insulating material 10, and the temperature rise of the antenna disposed inside can be suppressed. it can.
  • Such a multilayer heat insulating material 10 is particularly suitable for space equipment that needs to transmit and receive radio waves.
  • the space equipment include an inner planetary explorer, an outer planetary explorer, a deep space explorer, and a lunar explorer.
  • the multilayer heat insulating material 10 can be widely applied not only to space equipment but also to various equipment and members. For example, in a lunar probe that operates in the shadow of the sun, it is possible to achieve a heat insulation performance that can withstand the night.
  • FIG. 2 is an enlarged partial sectional view showing a region A1 surrounded by a one-dot chain line in FIG. 1A.
  • a plurality of connection portions 30 are provided on the outer surface of the structural material 20 so as to be spaced apart from each other, and a space is formed between the multilayer heat insulating material 10 and the structural material 20 by the plurality of connection portions 30. Thereby, the heat conduction between the multilayer heat insulating material 10 and the structural material 20 can be prevented, and the heat insulating performance can be further exhibited.
  • the multilayer heat insulating material 10 includes a single first optical member 11 and a plurality of second optical members 12.
  • Each of the first optical member 11 and the plurality of second optical members 12 has a flat plate shape extending in parallel along the outer surface of the structural material 20, and is laminated on the outer surface of the structural material 20 with a space therebetween. .
  • four second optical members 12 are arranged.
  • the multilayer heat insulating material 10 further includes a spacer 13 disposed between the optical members 11 and 12.
  • the spacer 13 has a function of providing a space between the optical members 11 and 12 and suppressing heat conduction.
  • the spacer 13 suppresses direct heat conduction between the optical members 11 and 12 by separating the optical members 11 and 12 from each other.
  • the spacer 13 is formed of a material having low thermal conductivity, so that heat conduction through the spacer 13 between the optical members 11 and 12 is less likely to occur.
  • FIG. 2 it is described that the space between the optical member 11 and the optical member 12 is filled with the spacer 13, but only a part of the region between the optical member 11 and the optical member 12 is a spacer. 13 is also preferable. Thereby, in the space where the spacer 13 is not filled, heat conduction between the optical members 11 and 12 can be prevented.
  • the spacer 13 is preferably formed of a polyimide foam having low thermal conductivity, light weight, and excellent heat resistance and environmental resistance. However, the spacer 13 is not limited to this, and may be formed of other low thermal conductivity materials.
  • the spacer 13 may be configured as a structure in which a plurality of members are combined.
  • the spacer 13 is also arranged between the innermost second optical member 12 and the connection portion 30. Thereby, the heat conduction between the multilayer heat insulating material 10 and the structural material 20 can be further effectively prevented.
  • this configuration is not essential, and the spacer 13 may not be disposed between the innermost second optical member 12 and the connection portion 30.
  • the plurality of spacers 13 may all have the same configuration, or may have different configurations for each spacer 13.
  • the multilayer heat insulating material 10 shown in FIG. 1A has been described above, the multilayer heat insulating material 10 shown in FIG. 1B also has the same configuration.
  • the multilayer heat insulating material 10 shown in FIG. 1B is different from the multilayer heat insulating material shown in FIG. 1A in the configuration of the first optical member 11, and the other configurations are common. For this reason, below, description of structures other than the 1st optical member 11 is abbreviate
  • FIG. 3 is a partial cross-sectional view further enlarging and showing a region A2 surrounded by a one-dot chain line in FIG.
  • the first optical member 11 of the multilayer heat insulating material 10 shown in FIG. 1A includes a first base material B1, a first dielectric multilayer film F1, and a second dielectric multilayer film F2.
  • the first dielectric multilayer film F1 is formed on the outer main surface of the first base material B1.
  • the second dielectric multilayer film F2 is formed on the inner main surface of the first base material B1.
  • the first base material B1 is a member for maintaining the shapes of the dielectric multilayer films F1 and F2.
  • the first base material B1 is preferably made of polyimide having flexibility and excellent heat resistance and environmental resistance.
  • the first base material B1 is not limited to this, and may be formed of other materials.
  • the thickness of 1st base material B1 can be determined suitably.
  • the thickness of the first substrate may be 10 to 1000 ⁇ m, 15 to 500 ⁇ m, or 20 to 200 ⁇ m.
  • FIG. 4 is a partial cross-sectional view further enlarging the region A3 surrounded by the one-dot chain line in FIG. FIG. 4 shows the case of outer space close to the sun, and the traveling paths of sunlight, infrared rays, and radio waves are schematically shown by arrows.
  • Each of the dielectric multilayer films F1 and F2 has a structure in which a high refractive index dielectric film and a low refractive index dielectric film are alternately laminated.
  • the dielectric multilayer films F1 and F2 reflect (or absorb) electromagnetic waves in a specific wavelength band by adjusting the types and thicknesses of the high refractive index dielectric film and the low refractive index dielectric film. It is configured.
  • Examples of the high refractive index dielectric film include metal oxides.
  • Examples of the low refractive index dielectric film include silicon dioxide.
  • the first dielectric multilayer film F1 is configured to reflect sunlight and absorb / radiate infrared rays in the case of outer space where sunlight enters.
  • Examples of the combination of the high refractive index dielectric film and the low refractive index dielectric film in the first dielectric multilayer film F1 include Ta 2 O 5 and SiO 2 , TiO 2 and SiO 2 , Si and SiO 2, and the like. Can be mentioned. In the first dielectric multilayer film F1, any one of these combinations or a plurality thereof may be used in combination.
  • the first dielectric multilayer film F1 it is possible to reflect the wavelength of the sunlight region by appropriately setting the thickness of each dielectric film.
  • the thickness of each dielectric film can be designed based on an arbitrary design method.
  • the number of dielectric films in the first dielectric multilayer film F1 can be determined as appropriate.
  • FIG. 5 and 6 are graphs illustrating the reflectance of the first dielectric multilayer film F1 using a combination of Si and SiO 2 .
  • FIG. 5 shows the reflectance in the wavelength band (0.25 to 2.5 ⁇ m) of the sunlight region of the first dielectric multilayer film F1.
  • FIG. 6 shows the reflectance of the first dielectric multilayer film F1 in the infrared wavelength band (especially around 10 ⁇ m).
  • the specific configuration of the first dielectric multilayer film F1 is as shown in Table 1 below.
  • the layers 2 to 9 are arranged in this order on the first base material B1 (layer 1).
  • Table 1 shows the material and thickness of each layer 1-9.
  • the first dielectric multilayer film F1 has a high reflectance in the wavelength band (0.25 to 2.5 ⁇ m) of the sunlight region.
  • the first dielectric multilayer film F1 has a low reflectance, that is, a high absorptance and emissivity, particularly near 10 ⁇ m.
  • the second dielectric multilayer film F2 is configured to reflect infrared rays, and has an infrared emissivity of less than 0.5.
  • the infrared emissivity may be 0.3 or less, 0.2 or less, or 0.15 or less.
  • Examples of the combination of the high refractive index dielectric film and the low refractive index dielectric film in the second dielectric multilayer film F2 include a combination of Ge and sulfide, Ge and fluoride, and the like.
  • Examples of the low refractive index sulfide that can be combined with Ge include zinc sulfide (ZnS).
  • Examples of the low refractive index fluoride that can be combined with Ge include calcium fluoride (CaF 2 ), magnesium fluoride (MgF 2 ), and barium fluoride (BaF 2 ).
  • each dielectric film can be designed based on an arbitrary design method.
  • the entire wavelength band in the infrared region can be reflected by appropriately setting the thickness of each dielectric film.
  • the thickness of each dielectric film can be designed based on an arbitrary design method. Further, the number of dielectric films in the second dielectric multilayer film F2 can be determined as appropriate.
  • FIG. 7 is a graph illustrating the reflectance in the wavelength band (near 10 ⁇ m) in the infrared region of the second dielectric multilayer film F2 using a combination of Ge and ZnS. As shown in FIG. 7, it can be seen that the second dielectric multilayer film F2 has a high reflectance in the near-infrared to far-infrared wavelength band around 10 ⁇ m.
  • the specific configuration of the second dielectric multilayer film F2 is as shown in Table 2 below.
  • the layers 2 to 13 are arranged in this order on the first base material B1 (layer 1).
  • Table 2 shows the material and thickness of each layer 1 to 13.
  • the dielectric multilayer films F1 and F2 of the first optical member 11 transmit radio waves, radio waves incident on the first optical member 11 from outer space can reach the inside of the first optical member 11.
  • FIG. 8 is a partial cross-sectional view further enlarging the region A4 surrounded by the one-dot chain line in FIG.
  • the second optical member 12 includes a second base material B2 and a third dielectric multilayer film F3.
  • the third dielectric multilayer film F3 is formed on each main surface of the second base material B2.
  • the outermost second optical member 12 will be mainly described, but the other second optical members 12 have the same configuration.
  • the second base material B2 is a member for maintaining the shape of the third dielectric multilayer film F3.
  • the second base material B2 is preferably made of polyimide having flexibility and excellent heat resistance and environmental resistance.
  • the second base material B2 is not limited to this, and may be formed of other materials.
  • the thickness of 2nd base material B2 can be determined suitably.
  • the second base material B2 the same material as the first base material B1 of the first optical member 11 can be used. However, as the second base material B2, a material different from the first base material B1 of the first optical member 11 may be used. Moreover, you may utilize 2nd base material B2 different for every 2nd optical member 12.
  • FIG. As an example, the thickness of the second base material may be 10 to 1000 ⁇ m, 15 to 500 ⁇ m, or 20 to 200 ⁇ m.
  • the third dielectric multilayer film F3 is configured to reflect infrared rays (infrared emissivity is less than 0.5).
  • the configuration of the third dielectric multilayer film F3 may be the same as the configuration of the second dielectric multilayer film F2 described above, or may be different from the configuration of the second dielectric multilayer film F2.
  • the third dielectric multilayer film F3 formed on the inner main surface of the second base material B2 is the same as the third dielectric multilayer film F3 formed on the outer main surface of the second base material B2.
  • the structure may be different or different.
  • the configuration of the third dielectric multilayer film F3 may be different for each second optical member 12.
  • the entire wavelength band in the infrared region can be reflected by appropriately setting the thickness of each dielectric film.
  • the thickness of each dielectric film can be designed based on an arbitrary design method. Further, the number of dielectric films in the third dielectric multilayer film F3 can be determined as appropriate.
  • the second dielectric multilayer film F2 of the first optical member 11 has high infrared reflectance, that is, low infrared absorption and emissivity. If the absorptivity and emissivity of the second dielectric multilayer film F2 are 0%, the second dielectric multilayer film of the first optical member 11 does not absorb infrared rays and does not emit infrared rays at all.
  • the emissivity of the second dielectric multilayer film F2 it is impossible to set the emissivity of the second dielectric multilayer film F2 to 0%.
  • the infrared rays that the second dielectric multilayer film F2 of the first optical member 11 emits low inward are absorbed by the third dielectric multilayer film F3 outside the second optical member 12 with low absorption. Thereby, the temperature of the second optical member rises, and infrared rays are emitted at a low level.
  • the repetition of the low emission and low absorption of infrared rays makes it difficult for infrared rays to be transmitted to the inner optical member, and the infrared rays are cut.
  • the heat insulation performance of the multilayer heat insulating material 10 can be further improved by disposing the second optical member 12 so as to face the first optical member 11.
  • the other second optical members 12 also exhibit the same function as the outermost second optical member 12.
  • the heat insulation performance of the multilayer heat insulating material 10 is further improved by the action of the plurality of second optical members 12.
  • the third dielectric multilayer film F3 transmits radio waves, the radio waves transmitted through the first optical member 11 sequentially pass through each second optical member 12, thereby providing a structural material 20 for space equipment. Can be reached.
  • the third dielectric multilayer film F3 is preferably provided on both main surfaces of the second optical member 12.
  • the third dielectric multilayer film F3 may be provided only on one main surface of the second optical member 12.
  • the third dielectric multilayer film F3 may be provided on either the inner surface or the outer main surface of the second optical member 12.
  • the third dielectric multilayer film F3 may not be provided on the inner main surface.
  • the second dielectric multilayer film is provided on one main surface of the first base material.
  • one main surface of the first base material is described.
  • the second dielectric multilayer film may not be provided on the surface. That is, as a multilayer heat insulating material of a modified example, a dielectric multilayer film configured to transmit radio waves is provided on at least one of the main surfaces, and disposed between a plurality of stacked base materials and a plurality of base materials And a multilayer heat insulating material configured such that at least one of the dielectric multilayer films has an infrared emissivity of less than 0.5.
  • the infrared emissivity may be 0.3 or less, 0.2 or less, or 0.15 or less. Even with such a multilayer heat insulating material, the heat insulating effect can be exhibited.
  • the third dielectric multilayer film F3 is used for the infrared reflecting portion of the multilayer heat insulating material 10, but the configuration of the infrared reflecting portion is not limited to this.
  • the infrared reflection unit may have a configuration using a frequency selection plate (FSS: Frequency Selective. Surface) that can sufficiently transmit radio waves.
  • FSS Frequency Selective. Surface

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  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
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  • Thermal Insulation (AREA)

Abstract

L'invention concerne un matériau d'isolation thermique qui est capable de transmettre des ondes radio. Ce matériau d'isolation thermique comporte un premier film multicouche diélectrique (F1), un deuxième film multicouche diélectrique (F2), et un premier support (B1). Le premier film multicouche diélectrique (F1) est configuré de façon à transmettre des ondes radio. Le deuxième film multicouche diélectrique (F2) présente une émissivité infrarouge inférieure à 0,5 et est configuré de façon à transmettre des ondes radio, tout en faisant face au premier film multicouche diélectrique (F1). Le présent matériau d'isolation thermique est capable de réaliser une configuration qui n'utilise pas de métal et est capable de transmettre des ondes radio en combinant le premier film multicouche diélectrique (F1) et le deuxième film multicouche diélectrique (F2).
PCT/JP2017/025125 2016-07-08 2017-07-10 Matériau d'isolation thermique et matériau d'isolation thermique multicouche Ceased WO2018008768A1 (fr)

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Application Number Priority Date Filing Date Title
JP2018526469A JP6667914B2 (ja) 2016-07-08 2017-07-10 断熱材及び多層断熱材

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016136334 2016-07-08
JP2016-136334 2016-07-08

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WO2018008768A1 true WO2018008768A1 (fr) 2018-01-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2021255965A1 (fr) * 2020-06-19 2021-12-23
CN120522946A (zh) * 2025-07-22 2025-08-22 中国科学院长春光学精密机械与物理研究所 一种空间相机主系统高热稳定性控温结构

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JP2013258595A (ja) * 2012-06-13 2013-12-26 Toshiba Corp 導波管
US20140118815A1 (en) * 2013-11-04 2014-05-01 Sung Nae CHO Heat blocking system utilizing particulates
WO2015104981A1 (fr) * 2014-01-09 2015-07-16 コニカミノルタ株式会社 Film réfléchissant le rayonnement infrarouge, procédé de fabrication d'un film réfléchissant le rayonnement infrarouge, et procédé de fabrication d'un verre stratifié
WO2015168282A1 (fr) * 2014-04-29 2015-11-05 Pleotint, L.L.C. Absorption de couches intermédiaires de commande solaire

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013258595A (ja) * 2012-06-13 2013-12-26 Toshiba Corp 導波管
US20140118815A1 (en) * 2013-11-04 2014-05-01 Sung Nae CHO Heat blocking system utilizing particulates
WO2015104981A1 (fr) * 2014-01-09 2015-07-16 コニカミノルタ株式会社 Film réfléchissant le rayonnement infrarouge, procédé de fabrication d'un film réfléchissant le rayonnement infrarouge, et procédé de fabrication d'un verre stratifié
WO2015168282A1 (fr) * 2014-04-29 2015-11-05 Pleotint, L.L.C. Absorption de couches intermédiaires de commande solaire

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2021255965A1 (fr) * 2020-06-19 2021-12-23
WO2021255965A1 (fr) * 2020-06-19 2021-12-23 パナソニックＩｐマネジメント株式会社 Dispositif photographique
JP7603240B2 (ja) 2020-06-19 2024-12-20 パナソニックＩｐマネジメント株式会社 撮影装置
US12306292B2 (en) 2020-06-19 2025-05-20 Panasonic Intellectual Property Management Co., Ltd. Imaging apparatus including sub-terahertz wave reflective member
CN120522946A (zh) * 2025-07-22 2025-08-22 中国科学院长春光学精密机械与物理研究所 一种空间相机主系统高热稳定性控温结构

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