WO2018096917A1 - はんだ付け方法 - Google Patents
はんだ付け方法 Download PDFInfo
- Publication number
- WO2018096917A1 WO2018096917A1 PCT/JP2017/039984 JP2017039984W WO2018096917A1 WO 2018096917 A1 WO2018096917 A1 WO 2018096917A1 JP 2017039984 W JP2017039984 W JP 2017039984W WO 2018096917 A1 WO2018096917 A1 WO 2018096917A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solder
- solder paste
- soldering
- temperature
- circuit board
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3494—Heating methods for reflowing of solder
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3457—Solder materials or compositions; Methods of application thereof
- H05K3/3463—Solder compositions in relation to features of the printed circuit board or the mounting process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0016—Brazing of electronic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/203—Fluxing, i.e. applying flux onto surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/06—Solder feeding devices; Solder melting pans
- B23K3/0646—Solder baths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/26—Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
- B23K35/262—Sn as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/38—Selection of media, e.g. special atmospheres for surrounding the working area
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C12/00—Alloys based on antimony or bismuth
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3452—Solder masks
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3457—Solder materials or compositions; Methods of application thereof
- H05K3/3485—Applying solder paste, slurry or powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/42—Printed circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/12—Copper or alloys thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/26—Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C13/00—Alloys based on tin
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/08—Treatments involving gases
- H05K2203/085—Using vacuum or low pressure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/11—Treatments characterised by their effect, e.g. heating, cooling, roughening
- H05K2203/111—Preheating, e.g. before soldering
Definitions
- the present invention relates to a soldering method for soldering an electronic component onto a printed circuit board.
- solder paste is applied to the electrode of the printed circuit board by a printing method or a discharging method, and then the solder paste is applied in a chamber of a reflow apparatus.
- the electronic component is soldered onto the printed circuit board by preheating and main heating the printed circuit board.
- Solder paste is composed of a bonding material in which solder powder and flux are mixed.
- a residue-free solder paste that does not require a flux residue cleaning process in a soldered portion after reflow is widely used in the semiconductor industry, the automobile industry, and the like.
- Patent Document 1 discloses that a solid solvent that is solid at normal temperature and evaporates at a reflow temperature, a high-viscosity solvent that evaporates at normal temperature and a high-viscosity solvent that evaporates at reflow temperature, and the balance is liquid at normal temperature.
- a residue-free solder paste consisting of a liquid solvent that evaporates at temperature is described.
- Patent Document 2 describes a power module that uses a fluxless solder preform material for joining a semiconductor element and an insulating metal substrate. In this case, reflow is performed in a reducing atmosphere because a fluxless preform material is used.
- the soldering method described in Patent Document 1 has the following problems. That is, in the soldering method described in Patent Document 1, the flux is scattered when the solder melts because the solder is melted at atmospheric pressure or in a nitrogen atmosphere with the flux remaining during the main heating. In some cases, the solder may be scattered due to the momentum generated by the scattering of the flux. The reason why the flux is scattered is considered to be a residual solvent component contained in the flux.
- the present invention has been made in view of the above problems, and its purpose is to prevent solder from being scattered during reflow and to reliably remove an oxide film formed on the surface of the solder or electrode. It is in providing the soldering method which can be performed.
- the soldering method includes a first step of applying a solder paste in which a solder alloy and a residue-free flux are mixed to a soldering portion on a substrate, and placing an electronic component on the solder paste.
- a fourth step of melting the solder contained in the solder paste includes a first step of applying a solder paste in which a solder alloy and a residue-free flux are mixed to a soldering portion on a substrate, and placing an electronic component on the solder paste.
- the present invention it is possible to prevent the solder from being scattered at the time of reflow, and to reliably remove the oxide film formed on the surface of the solder or electrode.
- FIG. 2 shows an example of the relationship (temperature profile) between the temperature in the chamber and the atmospheric pressure during reflow.
- the left vertical axis indicates the temperature in the chamber
- the right vertical axis indicates the atmospheric pressure in the chamber
- the horizontal axis indicates time.
- a reflow apparatus that performs soldering using formic acid reduction is used as the reflow apparatus 100.
- the reflow apparatus using formic acid reduction is well-known, detailed description is abbreviate
- a metal mask having an opening formed at the same position as the electrode (soldering portion) of the printed circuit board 10 is prepared, and the opening of the metal mask is aligned with the electrode of the printed circuit board 10, and then is placed on the printed circuit board 10. Place.
- the solder paste 20 placed on the metal mask is filled into the opening of the metal mask by moving the squeegee.
- the solder paste 20 for example, a mixture of a solder alloy made of Sn-3.0Ag-0.5Cu and a residue-free flux is used.
- the solder paste 20 By adjusting the opening size and thickness of the opening of the metal mask, the solder paste 20 corresponding to an electrode of an arbitrary size can be formed.
- the electronic component 30 is placed on the solder paste 20 (first step).
- the printed circuit board 10 on which the electronic component 30 is mounted is conveyed into the chamber of the reflow apparatus 100.
- the chamber is evacuated and set to 150 to 180 ° C. (first temperature) during preheating in section A, as shown in FIG.
- the degree of vacuum is preferably 10 to 100 Pa, for example.
- the flux contained in the solder paste 20 is completely volatilized and there is no residue, and only the solder powder 22 remains on the printed circuit board 10 (second step).
- the “no residue” in the state where the flux is volatilized shown in FIG. 1C includes almost no flux residue other than the case where the flux is completely volatilized and no flux residue is present as described above. It is not seen, specifically, the case where the amount of the flux residue is 1% by mass or less in the flux is also included.
- the temperature in the chamber at the time of the main heating is set to a temperature (second temperature) that is equal to or higher than the first temperature and lower than the melting temperature of the solder.
- the temperature is set to be 10 ° C. to 20 ° C. lower than the melting temperature of the solder.
- the formic acid in the chamber is exhausted, and the inside of the chamber is changed from the atmospheric pressure state to the vacuum state.
- the degree of vacuum is preferably 10 to 100 Pa, for example.
- the temperature in the chamber during the main heating is set to a temperature (third temperature) that is 20 ° C. to 50 ° C., preferably 20 ° C. to 30 ° C. higher than the melting temperature of the solder.
- the electronic component 30 is joined to the electrode on the printed circuit board 10 because a solder fuse
- the electronic component 30 is soldered onto the printed circuit board 10 via the solder paste 20 through such a series of steps.
- solder powder made of Sn-3.0Ag-0.5Cu was prepared, and a solder paste was prepared by mixing NRB60, which is a residue-free flux, and the solder powder.
- NRB60 which is a residue-free flux
- solder paste was applied on the copper plate, and an 8 mm square Si chip was placed on the solder paste, and then soldering was performed by changing the reflow conditions such as the temperature and pressure in the chamber.
- the soldered copper plate was checked for generation of voids and solder scattering after reflow using an X-ray inspection apparatus, and the flux residue was checked using an electron microscope.
- Table 1 shows the results of void generation, flux residue and solder scattering after reflow under each reflow condition.
- Example 1 As shown in Table 1, since the solder paste was heated in a vacuum state during preheating in the section A to completely volatilize the flux, no flux residue was confirmed even after reflow. In addition, during the main heating in the section C, since the flux has already volatilized, solder scattering due to the flux was not confirmed. Furthermore, since the oxide film is removed with formic acid, soldering can be performed normally. Generation of voids was not confirmed due to the vacuum state when the solder melted.
- Comparative Example 1 As shown in Table 1, the flux cannot be completely volatilized because the section A is not evacuated. Therefore, when the solder is melted in the section C, the flux remains as a void. Thereafter, the flux remaining during the main heating was volatilized, causing solder scattering.
- Comparative Example 2 since reduction with formic acid in section B was performed for only 1 minute, the oxide film remained without being sufficiently removed, and soldering could not be performed.
- Comparative Example 3 the section C is not in a vacuum state. In addition, the oxide film is removed with formic acid in the section B, and even if the supply of formic acid is stopped, formic acid remains around the solder, so that the formic acid remains as a void when the solder is melted. It was.
- the preheating time is set longer than the conventional one and the chamber is in a vacuum state at this time, so that the flux can be completely volatilized during the preheating, and the solder melt It is possible to reliably prevent the solder from scattering at the time. Also in this case, since the formic acid atmosphere reflow is adopted, it is possible to perform soldering without flux. Although reflow was performed using formic acid, it is only necessary to perform reflow in a reducing atmosphere such as hydrogen. As a result, soldering can be performed while preventing solder scattering with the voidless, and the flux cleaning step can be omitted. Further, the flux may not contain an activator necessary for removing the oxide film.
- the solder powder 22 can be used in any composition as long as it can be a solder powder.
- difficult-to-process Sn—Sb or Bi—Sn solder that is difficult to process as a preform can be used.
- the tensile strength (tensile strength) of the solder alloy is 55 MPa or more
- the elongation (breaking elongation) is 40% or less
- the 0.2% proof stress (offset method) is 40 MPa or more.
- Elongation is a property related to metal processing, and if the elongation rate is small, formation processing becomes difficult.
- each measuring method of tensile strength, breaking elongation, and 0.2% yield strength conforms to JIS Z 2241.
- the 0.2% proof stress is a load at which plastic deformation starts. If this value is high, the force required for processing increases.
- the tensile strength may be used as an index for obtaining the force required for punching, and if this value is high, punching becomes difficult. If these conditions are satisfied, the solder cannot be stretched thinly, or cracks or chips may occur when punching.
- solder alloys exhibiting such characteristics include Sn—Sb solder alloys containing 10% by mass or more of Sb and Bi—Sn solder alloys containing 80% by mass or more of Bi.
- the solder paste 20 can be formed in an arbitrary size according to the shape and size of the semiconductor element and the electrode. That is, even when a difficult-to-work solder material is used, the solder shape can be designed freely.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
Description
図1A~図1Dは、本発明に係るはんだ付け方法における半導体装置の製造工程の一例を示している。図2は、リフロー時におけるチャンバー内の温度と気圧との関係(温度プロファイル)の一例を示している。図2において、左側の縦軸はチャンバー内の温度を示し、右側の縦軸はチャンバー内の気圧を示し、横軸は時間を示している。
X線の倍率を7倍とし、画像処理ソフトによりボイド率の測定を行った。
○:ボイド率が1%以下であった。
×:ボイド率が1%超であった。
はんだ付けが正常に行えていたら○とし、はんだ付けが出来ていなかったら×とした。
20 はんだペースト
22 はんだ粉末
24 フラックス
30 電子部品
Claims (3)
- はんだ合金と無残渣用フラックスが混合されてなるはんだペーストを基板上のはんだ付け部に塗布し、当該はんだペースト上に電子部品を載置する第1の工程と、
炉内を真空状態かつ第1の温度として前記基板を加熱することにより前記はんだペーストに含まれる前記無残渣用フラックスを揮発させる第2の工程と、
前記炉内を還元雰囲気で第2の温度として前記基板を加熱することにより少なくとも前記はんだ付け部の酸化膜を除去する第3の工程と、
前記炉内を真空状態でかつ前記第2の温度よりも高い第3の温度として前記基板を加熱することにより前記はんだペーストに含まれるはんだを溶融させる第4の工程と、
を有することを特徴とするはんだ付け方法。 - 前記第1の工程において、前記基板上の前記はんだ付け部に対応する部分が開口された開口部を有するメタルマスクを用いて、前記基板上の前記はんだ付け部に前記はんだペーストを塗布する
ことを特徴とする請求項1に記載のはんだ付け方法。 - 前記はんだ合金は、引張強度が55MPa以上、伸びが40%以下、0.2%耐力が40MPa以上である
ことを特徴とする請求項1または2に記載のはんだ付け方法。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/462,719 US10645818B2 (en) | 2016-11-22 | 2017-11-06 | Soldering method |
| EP17873725.0A EP3547809B1 (en) | 2016-11-22 | 2017-11-06 | Soldering method |
| CN201780069433.4A CN109923951B (zh) | 2016-11-22 | 2017-11-06 | 软钎焊方法 |
| JP2018519977A JP6447782B2 (ja) | 2016-11-22 | 2017-11-06 | はんだ付け方法 |
| MX2019005800A MX387378B (es) | 2016-11-22 | 2017-11-06 | Metodo de soldadura. |
| KR1020197017442A KR102045186B1 (ko) | 2016-11-22 | 2017-11-06 | 납땜 방법 |
| PH12019501140A PH12019501140B1 (en) | 2016-11-22 | 2019-05-22 | Soldering method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016226419 | 2016-11-22 | ||
| JP2016-226419 | 2016-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2018096917A1 true WO2018096917A1 (ja) | 2018-05-31 |
Family
ID=62195538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2017/039984 Ceased WO2018096917A1 (ja) | 2016-11-22 | 2017-11-06 | はんだ付け方法 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US10645818B2 (ja) |
| EP (1) | EP3547809B1 (ja) |
| JP (1) | JP6447782B2 (ja) |
| KR (1) | KR102045186B1 (ja) |
| CN (1) | CN109923951B (ja) |
| HU (1) | HUE056788T2 (ja) |
| MX (1) | MX387378B (ja) |
| MY (1) | MY176643A (ja) |
| PH (1) | PH12019501140B1 (ja) |
| TW (1) | TWI663011B (ja) |
| WO (1) | WO2018096917A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948073A (zh) * | 2019-11-29 | 2020-04-03 | 北京原宏达技术有限公司 | 一种发动机缸盖的制造方法 |
| JP2020066041A (ja) * | 2018-10-26 | 2020-04-30 | 株式会社日本スペリア社 | はんだ接合部の製造方法 |
| EP3838465A4 (en) * | 2018-10-01 | 2021-12-01 | Koki Company Limited | METHOD OF MANUFACTURING A CONNECTED STRUCTURE |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11205530B1 (en) * | 2017-12-13 | 2021-12-21 | Triad National Security, Llc | Technique for constructing high gradient insulators |
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| Publication number | Publication date |
|---|---|
| EP3547809B1 (en) | 2021-10-20 |
| KR20190077574A (ko) | 2019-07-03 |
| PH12019501140A1 (en) | 2019-08-19 |
| MX387378B (es) | 2025-03-18 |
| KR102045186B1 (ko) | 2019-11-14 |
| HUE056788T2 (hu) | 2022-03-28 |
| JPWO2018096917A1 (ja) | 2018-11-22 |
| US10645818B2 (en) | 2020-05-05 |
| PH12019501140B1 (en) | 2019-08-19 |
| MY176643A (en) | 2020-08-19 |
| CN109923951A (zh) | 2019-06-21 |
| EP3547809A1 (en) | 2019-10-02 |
| TWI663011B (zh) | 2019-06-21 |
| EP3547809A4 (en) | 2020-07-08 |
| CN109923951B (zh) | 2020-06-19 |
| JP6447782B2 (ja) | 2019-01-09 |
| US20190373741A1 (en) | 2019-12-05 |
| MX2019005800A (es) | 2019-08-21 |
| TW201834775A (zh) | 2018-10-01 |
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