JPH0580027U - Piezoelectric parts - Google Patents
Piezoelectric partsInfo
- Publication number
- JPH0580027U JPH0580027U JP064274U JP6427491U JPH0580027U JP H0580027 U JPH0580027 U JP H0580027U JP 064274 U JP064274 U JP 064274U JP 6427491 U JP6427491 U JP 6427491U JP H0580027 U JPH0580027 U JP H0580027U
- Authority
- JP
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- Prior art keywords
- substrate
- piezoelectric
- piezoelectric vibrator
- piezoelectric component
- vibrating
- 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.)
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Links
- 239000000758 substrate Substances 0.000 claims abstract description 51
- 230000002950 deficient Effects 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 5
- 239000003989 dielectric material Substances 0.000 claims 1
- 239000012188 paraffin wax Substances 0.000 abstract description 16
- 229910000679 solder Inorganic materials 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000004907 flux Effects 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 description 12
- 230000001070 adhesive effect Effects 0.000 description 12
- 239000002245 particle Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000004020 conductor Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
(57)【要約】
【目的】圧電振動子と基板との間に異物による振動障害
を生じない空間を確実に形成でき、しかも、パラフィワ
ックスまたは半田フラックス等の残存率を低下させるこ
とができ、製造組立が容易で高信頼度の圧電部品を提供
する。
【構成】 圧電振動子１と、基板２とを有する。圧電振
動子１は圧電素体１０１に振動電極１０２、１０３を設
け、基板２の一面に搭載されている。基板２は少なくと
も圧電振動子１の振動部分１００と対向する部分に欠損
部又は凹部２０４を有する。
(57) [Abstract] [Purpose] It is possible to reliably form a space between a piezoelectric vibrator and a substrate that does not cause vibrational obstacles due to foreign matter, and reduce the residual rate of paraffin wax or solder flux. A highly reliable piezoelectric component that is easy to manufacture and assemble. [Structure] A piezoelectric vibrator 1 and a substrate 2 are provided. The piezoelectric vibrator 1 is provided with the vibrating electrodes 102 and 103 on the piezoelectric element 101, and is mounted on one surface of the substrate 2. The substrate 2 has a defective portion or a concave portion 204 at least in a portion facing the vibrating portion 100 of the piezoelectric vibrator 1.
Description
【０００１】[0001]
本考案は、基板の面上に圧電振動子を搭載した圧電部品に関し、基板は、圧電 振動子の振動部分と対向する部分に欠損部又は凹部を有することにより、振動空 間形成用ワックスまたは半田付けフラックスを確実に除去できるようにしたもの である。 The present invention relates to a piezoelectric component in which a piezoelectric vibrator is mounted on the surface of a substrate, and the substrate has a defective portion or a concave portion at a portion facing the vibrating portion of the piezoelectric vibrator, so that a wax or solder for forming a vibrating space is formed. This is to ensure that the attached flux can be removed.
【０００２】[0002]
発振子や共振子等に利用される圧電部品として、圧電素体の両面に振動電極を 形成した圧電振動子を、基板との間に微小間隔の空間が生じるようにして、基板 の面上に取付けた構造を有するものが知られている。図９はかかる圧電部品の従 来例を示す分解斜視図、図１０は同じく断面図である。図において、１は圧電振 動子、２は基板、３は樹脂外装体、４、５は導電性接着剤、６１〜６３はリード 導体、７、８は空間である。圧電振動子１は、板状である圧電素体１０１の両面 に、振動電極１０２、１０３を形成してある。１０４、１０５はダミー電極であ る。ダミー電極１０４と振動電極１０３の端部との間にはギャップＧ１が設けら れ、ダミー電極１０５と振動電極１０２の端部との間にはギャップＧ２が設けら れている。 As a piezoelectric component used for an oscillator or a resonator, a piezoelectric vibrator with vibrating electrodes formed on both sides of a piezoelectric element should be placed on the surface of the substrate so that a space with a minute gap is created between the piezoelectric element and the substrate. Those having an attached structure are known. FIG. 9 is an exploded perspective view showing a conventional example of such a piezoelectric component, and FIG. 10 is a sectional view of the same. In the figure, 1 is a piezoelectric vibrator, 2 is a substrate, 3 is a resin exterior body, 4 and 5 are conductive adhesives, 61 to 63 are lead conductors, and 7 and 8 are spaces. The piezoelectric vibrator 1 has vibrating electrodes 102 and 103 formed on both sides of a plate-shaped piezoelectric element 101. 104 and 105 are dummy electrodes. A gap G1 is provided between the dummy electrode 104 and the end of the vibrating electrode 103, and a gap G2 is provided between the dummy electrode 105 and the end of the vibrating electrode 102.
【０００３】 基板２は、セラミック板等でなり、その一面上に圧電振動子１を取付けてある 。基板２には、圧電振動子１の端部と対応する部位に端子電極２０１、２０２が 設けられており、端子電極２０１に圧電振動子１の振動電極１０２の端部を接続 し、端子電極２０２にダミー電極１０５を接続する。接続に当っては、圧電振動 子１の振動電極１０２を形成した面と、基板２の表面との間に、圧電振動子１の 振動障害とならない微小な間隔ｄ１を有する空間７と間隔ｄ２を有する空間８を 確保して、接着剤４によって振動電極１０２の端部を端子電極２０１に接続する と共に、接着剤５によってダミー電極１０５を端子電極２０２に接続してある。 接着剤４、５は有機接着成分と導電成分とを含有する導電性の有機系接着剤また は半田等である。端子電極２０１にはリード導体６１が半田９１によって接続固 定され、端子電極２０２にはリード導体６２が半田９２によって接続固定されて いる。基板２の裏面側には、端子電極２０１、２０２に共通に対向する電極２０ ３が設けられており、この電極にリード導体６３が半田によって接続固定されて いる。The substrate 2 is made of a ceramic plate or the like, and the piezoelectric vibrator 1 is mounted on one surface thereof. Terminal electrodes 201 and 202 are provided on the substrate 2 at positions corresponding to the ends of the piezoelectric vibrator 1, and the ends of the vibrating electrode 102 of the piezoelectric vibrator 1 are connected to the terminal electrodes 201 to connect the terminal electrodes 202. The dummy electrode 105 is connected to. In connection, a space 7 and a space d2 having a minute space d1 which does not hinder the vibration of the piezoelectric vibrator 1 are formed between the surface of the piezoelectric vibrator 1 on which the vibration electrode 102 is formed and the surface of the substrate 2. The space 8 is secured, the end of the vibrating electrode 102 is connected to the terminal electrode 201 by the adhesive 4, and the dummy electrode 105 is connected to the terminal electrode 202 by the adhesive 5. The adhesives 4 and 5 are conductive organic adhesives or solders containing an organic adhesive component and a conductive component. A lead conductor 61 is connected and fixed to the terminal electrode 201 by solder 91, and a lead conductor 62 is connected and fixed to the terminal electrode 202 by solder 92. On the back surface side of the substrate 2, an electrode 203 commonly facing the terminal electrodes 201 and 202 is provided, and a lead conductor 63 is connected and fixed to this electrode by soldering.
【０００４】 図１１は上述の圧電部品の電気的等価回路図である。図において、Ａは圧電振 動子、Ｃ１は端子電極２０１と電極２０３との間に形成されるコンデンサ、Ｃ１ 、Ｃ２は端子電極２０２と電極２０３との間に形成されるコンデンサである。従 って、負荷容量となるコンデンサＣ１、Ｃ２を内蔵し、コンピュータのクロック 発振回路における共振回路として使用する場合等に、実装面積を縮小し得る複合 形の圧電部品となる。FIG. 11 is an electrical equivalent circuit diagram of the above-mentioned piezoelectric component. In the figure, A is a piezoelectric vibrator, C1 is a capacitor formed between the terminal electrode 201 and the electrode 203, and C1 and C2 are capacitors formed between the terminal electrode 202 and the electrode 203. Therefore, when the capacitors C1 and C2 serving as load capacitances are built-in and used as a resonance circuit in a clock oscillation circuit of a computer, the mounting area can be reduced to provide a composite piezoelectric component.
【０００５】 空間７の間隔ｄ１は、圧電振動子１の振動障害を引き起こすことがないように 、所定の寸法となるように管理する必要があり、その手段として、従来より種々 の技術が提案されている。そうちの一つとして、実開昭６２ー１２１８２６号公 報では、導電性接着剤に３０μm 〜１００μm からなる粒子の物質を混入し、粒 子の粒径３０μm 〜１００μm 以下には圧電振動子が沈み込まないようにして、 基板２の上に接着する技術を開示している。従って、この従来技術においては、 圧電振動子１と基板との間に設けられる振動空間７の間隔ｄ１は、粒子の粒径３ ０μm 〜１００μm と実質的に同一の寸法となる。It is necessary to manage the space d1 in the space 7 to have a predetermined dimension so as not to cause a vibration failure of the piezoelectric vibrator 1. Various techniques have been conventionally proposed as means for this. ing. As one of the methods, in Japanese Utility Model Laid-Open No. 62-121826, a conductive adhesive is mixed with a particle substance of 30 μm to 100 μm, and the piezoelectric vibrator sinks when the particle diameter of the particle is 30 μm to 100 μm or less. A technique for adhering onto the substrate 2 so as not to be embedded is disclosed. Therefore, in this conventional technique, the spacing d1 of the vibration space 7 provided between the piezoelectric vibrator 1 and the substrate is substantially the same as the particle size of 30 μm to 100 μm.
【０００６】 間隔ｄ１を形成する場合、図１２に示すように、基板２上に圧電振動子１を搭 載した後、図１３に示すように、パラフィンワックス１０を塗布し、次に図１４ に示すように全体をエポキシ樹脂等の絶縁樹脂コーティング３を施す。この後、 熱処理することにより、パラフィンワックス１０を気化させ、内部に空洞を形成 させる。上述の空間８の間隔ｄ１は前述のパラフィンワックス気化工程によって 形成される。When forming the space d1, as shown in FIG. 12, after mounting the piezoelectric vibrator 1 on the substrate 2, as shown in FIG. 13, paraffin wax 10 is applied, and then as shown in FIG. As shown, the entire surface is coated with an insulating resin coating 3 such as an epoxy resin. Then, by heat treatment, the paraffin wax 10 is vaporized to form a cavity inside. The space d1 between the spaces 8 is formed by the paraffin wax vaporization process described above.
【０００７】[0007]
しかしながら、上述した従来の圧電部品には次のような問題点がある。 （Ａ）間隔ｄ１が導電性接着剤４、５に混入されている粒子の粒径によって定ま る微小間隔になる。例えば、実開昭６２ー１２１８２６号公報では、間隔ｄ１は 粒状物質の粒径と実質的に同一の３０μm 〜１００μm 程度である。このため、 間隔ｄ１の内部に微小の異物、例えばパラフィンワックス残留物、半田フラック スまたはゴミ等が存在しただけで、圧電振動子１に振動障害を生じる。 （Ｂ）樹脂外装体３で被覆するタイプでは、間隔ｄ１が極めて狭いために、パラ フインワックスの抜けが悪くなり、パラフィンワックスの残存率が高くなり、振 動障害を生じ易い。 （Ｃ）特別に選定された粒径を有する粒状物質を混入した導電性接着剤４、５を 使用しなければならない煩わしさがあり、製造組立が面倒になる。 However, the above-described conventional piezoelectric component has the following problems. (A) The interval d1 is a minute interval determined by the particle size of the particles mixed in the conductive adhesives 4 and 5. For example, in Japanese Utility Model Laid-Open No. 62-121826, the distance d1 is about 30 μm to 100 μm, which is substantially the same as the particle size of the granular material. For this reason, the presence of minute foreign matter, such as paraffin wax residue, solder flux, or dust, inside the space d1 causes the piezoelectric vibrator 1 to vibrate. (B) In the type of coating with the resin outer package 3, since the interval d1 is extremely narrow, the paraffin wax is more likely to come off, the residual rate of the paraffin wax is increased, and vibration disturbance is likely to occur. (C) Since the conductive adhesives 4 and 5 mixed with the granular material having the specially selected particle size have to be used, the manufacturing and assembling are troublesome.
【０００８】 そこで、本考案の課題は、上述する従来の問題点を解決し、圧電振動子と基板 との間に異物による振動障害を生じない空間を確実に形成でき、しかも、パラフ ィワックスまたは半田フラックス等の残存率を低下させることができ、製造組立 が容易で高信頼度の圧電部品を提供することである。Therefore, an object of the present invention is to solve the above-mentioned conventional problems, to reliably form a space between a piezoelectric vibrator and a substrate that does not cause a vibration disturbance due to foreign matter, and yet to use paraffin wax or solder. The objective is to provide a highly reliable piezoelectric component that can reduce the residual rate of flux and the like, is easy to manufacture and assemble.
【０００９】[0009]
上述する課題解決のため、本考案は、圧電振動子と、基板とを有する圧電部品 であって、 圧電振動子は、圧電素体に振動電極を有し、前記基板の一面に搭載されており 、 前記基板は、少なくとも前記圧電振動子の振動部分と対向する部分に、欠損部 又は凹部を有すること を特徴とする。 In order to solve the above-mentioned problems, the present invention is a piezoelectric component having a piezoelectric vibrator and a substrate, wherein the piezoelectric vibrator has a vibrating electrode on a piezoelectric body and is mounted on one surface of the substrate. The substrate has a defective portion or a concave portion at least in a portion facing the vibrating portion of the piezoelectric vibrator.
【００１０】[0010]
基板は、少なくとも圧電振動子の振動部分と対向する部分に、欠損部又は凹部 を有するから、圧電振動子の下側に凹部による広い空間が形成される。このため 、圧電振動子の振動部分の下側に仮に異物が存在したとしても、圧電振動子が振 動障害を受けることがなくなる。 Since the substrate has a defective portion or a concave portion at least in a portion facing the vibrating portion of the piezoelectric vibrator, a wide space due to the concave portion is formed below the piezoelectric vibrator. Therefore, even if there is a foreign substance below the vibrating portion of the piezoelectric vibrator, the piezoelectric vibrator will not be affected by vibration.
【００１１】 また、パラフィンワックスの気化が確実に行なわれ、その残存率が皆無又は極 めて小さくなる。仮に微少に残存したとしても、振動障害を生じることがない。[0011] Furthermore, the paraffin wax is surely vaporized, and the residual rate thereof is zero or extremely small. Even if a small amount remains, the vibration failure does not occur.
【００１２】 更に、圧電振動子の電極を基板上の端子電極に接続するための導電性接着剤の 選択幅がひろがり、製造組立が容易になる。Further, the selection range of the conductive adhesive for connecting the electrode of the piezoelectric vibrator to the terminal electrode on the substrate is widened, which facilitates the manufacturing and assembling.
【００１３】[0013]
図１は本考案に係る圧電部品の分解斜視図、図２は圧電振動子と基板との組合 せ構造を示す斜視図、図３は同じくその組立状態での断面図ある。図９と同一の 参照符号は同一性ある構成部分を示している。基板２は、少なくとも圧電振動子 １の振動部分１００と対向する部分に欠損部２０４を有する。欠損部２０４は圧 電振動子の幅よりも大きく形成し、圧電振動子１は振動部分１００がこの欠損部 の面内に位置するように対向して配置する。振動部分１００は振動電極１０２、 １０３が互いに対向する領域を中心にして、それよりも少し広い領域となる。 1 is an exploded perspective view of a piezoelectric component according to the present invention, FIG. 2 is a perspective view showing a combined structure of a piezoelectric vibrator and a substrate, and FIG. 3 is a sectional view of the same in an assembled state. The same reference numerals as those in FIG. 9 denote the same components. The substrate 2 has a defective portion 204 at least in a portion facing the vibrating portion 100 of the piezoelectric vibrator 1. The defective portion 204 is formed to have a width larger than that of the piezoelectric vibrator, and the piezoelectric vibrators 1 are arranged so as to face each other so that the vibrating portion 100 is located in the plane of the defective portion. The vibrating portion 100 is a region slightly wider than the region where the vibrating electrodes 102 and 103 face each other.
【００１４】 上述のように、基板２は、少なくとも圧電振動子１の振動部分１００と対向す る部分に欠損部２０４を有するから、圧電振動子１の下側に欠損部２０４による 広い空間が形成され、圧電振動子１の振動部分１００の下に、仮に残留パラフィ ンワックス、半田フラックスまたはゴミ等の異物が存在したとしても、圧電振動 子１が振動障害を受けることがなくなる。As described above, since the substrate 2 has the defective portion 204 at least in the portion facing the vibrating portion 100 of the piezoelectric vibrator 1, a large space is formed below the piezoelectric vibrator 1 by the defective portion 204. Then, even if foreign matter such as residual paraffin wax, solder flux, or dust exists under the vibrating portion 100 of the piezoelectric vibrator 1, the piezoelectric vibrator 1 is not affected by vibration.
【００１５】 図示の欠損部２０４は、基板２の一面側から他面側に抜けている。このような 構造であると、基板２上に振動障害となる異物が残留することがないこと、圧電 振動子１の下側に入ったパラフィンワックスが、基板の他面側から極めてスムー ズに気化すること等の更に進んだ作用効果が得られる。しかも、図示では、欠損 部２０４は基板２の側端面に達して開口しているので、パラフィンワックスが基 板２の側端面からも気化でき、一層スムーズに気化される。図１〜図３に示す構 造の他に、図４に示すように、欠損部２０４は、基板２の面内に貫通孔として設 けてもよい。The defect portion 204 shown in the figure is cut out from one surface side of the substrate 2 to the other surface side. With such a structure, foreign matter that may interfere with vibration does not remain on the substrate 2, and the paraffin wax that has entered the lower side of the piezoelectric vibrator 1 vaporizes extremely smoothly from the other surface of the substrate. It is possible to obtain further operational effects such as doing. Moreover, in the figure, since the defective portion 204 reaches the side end surface of the substrate 2 and is opened, the paraffin wax can be vaporized also from the side end surface of the base plate 2 and can be vaporized more smoothly. In addition to the structure shown in FIGS. 1 to 3, the defective portion 204 may be provided as a through hole in the surface of the substrate 2 as shown in FIG.
【００１６】 図示の基板２は、他の機能をも合せ持つ複合機能型となっているが、単に圧電 振動子１を支持するものであってもよい。The substrate 2 shown in the drawing is of a multi-function type having other functions as well, but it may be one that simply supports the piezoelectric vibrator 1.
【００１７】 図５は本考案に係る圧電部品の別の実施例における分解斜視図、図６は同じく その断面図を示している。図１〜図４と同一の参照符号は同一性ある構成部分を 示している。この実施例では凹部２０４が底部を有すると共に、基板２の側端面 に達して開口している。従って、パラフィンワックスが基板２の側端面からも気 化でき、スムーズに気化される。FIG. 5 is an exploded perspective view of another embodiment of the piezoelectric component according to the present invention, and FIG. 6 is a sectional view of the same. The same reference numerals as those in FIGS. 1 to 4 denote the same components. In this embodiment, the concave portion 204 has a bottom portion and reaches the side end surface of the substrate 2 to be opened. Therefore, the paraffin wax can be vaporized also from the side end surface of the substrate 2, and can be vaporized smoothly.
【００１８】 図７は本考案に係る圧電部品の別の実施例における分解斜視図、図８は同じく その断面図を示している。図１〜図４と同一の参照符号は同一性ある構成部分を 示している。この実施例では、ケース１１を有し、ケース１１が基板２の一面側 に取付けられ、圧電振動子１を覆っている。凹部２０４は、基板２の一面の面内 に設けられ、底が閉じている。ケース１１を有する場合は、パラフィンワックス 気化工程を必要としないから、パラフィンワックス残留の問題、及びその解決手 段を開示するものではないが、圧電振動子１の下側に異物が仮に存在した場合で も、振動障害を生じないという点で、図１〜図４に示す実施例と同様の作用効果 が得られる。FIG. 7 is an exploded perspective view of another embodiment of the piezoelectric component according to the present invention, and FIG. 8 is a sectional view of the same. The same reference numerals as those in FIGS. 1 to 4 denote the same components. In this embodiment, a case 11 is provided, and the case 11 is attached to one surface side of the substrate 2 to cover the piezoelectric vibrator 1. The concave portion 204 is provided in the surface of one surface of the substrate 2 and has a closed bottom. In the case of having the case 11, since the paraffin wax vaporization process is not required, the problem of residual paraffin wax and the solution method therefor are not disclosed. However, if there is a foreign substance under the piezoelectric vibrator 1, Even in this case, the same effect as that of the embodiment shown in FIGS. 1 to 4 can be obtained in that no vibration trouble is caused.
【００１９】[0019]
以上述べたように、本考案によれば、次のような効果が得られる。 （ａ）基板は、少なくとも圧電振動子の振動部分と対向する部分に、欠損部又は 凹部を有するから、圧電振動子の下側に欠損部又は凹部による広い空間が形成さ れ、圧電振動子の振動部分の下側に仮に異物が存在したとしても、圧電振動子が 振動障害を受けることのない高信頼度の圧電部品を提供できる。 （ｂ）パラフィンワックスの気化が確実に行なわれ、その残存率が皆無又は極め て小さく、仮に微少に残存したとしても、振動障害を生じることのない圧電部品 を提供できる。 （ｃ）圧電振動子の電極を基板上の端子電極に接続するための導電性接着剤の選 択幅が広く、製造組立の容易な圧電部品を提供できる。 As described above, according to the present invention, the following effects can be obtained. (A) Since the substrate has a defective portion or a concave portion at least in a portion facing the vibrating portion of the piezoelectric vibrator, a wide space due to the defective portion or the concave portion is formed on the lower side of the piezoelectric vibrator. Even if foreign matter is present under the vibrating portion, it is possible to provide a highly reliable piezoelectric component in which the piezoelectric vibrator is not affected by vibration. (B) It is possible to provide a piezoelectric component in which the paraffin wax is surely vaporized, and the remaining rate thereof is none or extremely small, and even if it remains in a minute amount, no vibration trouble occurs. (C) A wide selection of conductive adhesives for connecting the electrodes of the piezoelectric vibrator to the terminal electrodes on the substrate, and a piezoelectric component that is easy to manufacture and assemble can be provided.
【図１】本考案に係る圧電部品の分解斜視図である。FIG. 1 is an exploded perspective view of a piezoelectric component according to the present invention.
【図２】本考案に係る圧電部品の圧電振動子と基板との
組合せ構造を示す斜視図である。FIG. 2 is a perspective view showing a combined structure of a piezoelectric vibrator and a substrate of a piezoelectric component according to the present invention.
【図３】本考案に係る圧電部品の組立状態での断面図で
ある。FIG. 3 is a sectional view of a piezoelectric component according to the present invention in an assembled state.
【図４】本考案に係る圧電部品の他の実施例における圧
電振動子と基板との組合せ構造を示す斜視図である。FIG. 4 is a perspective view showing a combined structure of a piezoelectric vibrator and a substrate in another embodiment of the piezoelectric component according to the present invention.
【図５】本考案に係る圧電部品の別の実施例における分
解斜視図である。FIG. 5 is an exploded perspective view of another embodiment of the piezoelectric component according to the present invention.
【図６】本考案に係る圧電部品の別の実施例における断
面図である。FIG. 6 is a sectional view of another embodiment of the piezoelectric component according to the present invention.
【図７】本考案に係る圧電部品の別の実施例における分
解斜視図である。FIG. 7 is an exploded perspective view of another embodiment of the piezoelectric component according to the present invention.
【図８】本考案に係る圧電部品の別の実施例における断
面図である。FIG. 8 is a cross-sectional view of another embodiment of the piezoelectric component according to the present invention.
【図９】従来の圧電部品の分解斜視図である。FIG. 9 is an exploded perspective view of a conventional piezoelectric component.
【図１０】従来の圧電部品の断面図である。FIG. 10 is a sectional view of a conventional piezoelectric component.
【図１１】図９及び図１０に示した従来の圧電部品の電
気回路図である。 図１２〜図１４ 圧電部品の製造方法を示す図である。11 is an electric circuit diagram of the conventional piezoelectric component shown in FIGS. 9 and 10. FIG. 12 to 14 are views showing a method of manufacturing a piezoelectric component.
１ 圧電振動子 ２ 基板 ３ 樹脂外装体 ４、５ 接着剤 ２０４ 欠損部又は凹部 DESCRIPTION OF SYMBOLS 1 Piezoelectric vibrator 2 Substrate 3 Resin outer package 4, 5 Adhesive 204 Defect or recess
Claims (7)
であって、 圧電振動子は、圧電素体に振動電極を設け、前記基板の
一面に搭載されており、 前記基板は、少なくとも前記圧電振動子の振動部分と対
向する部分に、欠損部又は凹部を有することを特徴とす
る圧電部品。1. A piezoelectric component having a piezoelectric vibrator and a substrate, wherein the piezoelectric vibrator is mounted on one surface of the substrate by providing a piezoelectric element with a vibrating electrode, and the substrate is at least the above-mentioned substrate. A piezoelectric component having a defective portion or a concave portion at a portion facing the vibrating portion of the piezoelectric vibrator.
なくとも前記振動部の周りに振動空間が生じるように、
全体を被覆しており、 前記欠損部は、前記基板の一面側から他面側に抜けてい
ることを特徴とする請求項１に圧電部品。2. A resin outer package, wherein the resin outer package has a vibrating space at least around the vibrating portion,
The piezoelectric component according to claim 1, wherein the piezoelectric component covers the entire surface, and the defective portion extends from one surface side of the substrate to the other surface side.
て開口していることを特徴とする請求項１に記載の圧電
部品。3. The piezoelectric component according to claim 1, wherein the defective portion reaches the side end surface of the substrate and opens.
ていることを特徴とする請求項１に記載の圧電部品。4. The piezoelectric component according to claim 1, wherein the recess is provided in a surface of the substrate.
前記一面側に取付けられ、前記圧電振動子を覆っている
ことを特徴とする請求項１に記載の圧電部品。5. The piezoelectric component according to claim 1, further comprising a case, the case being attached to the one surface side of the substrate and covering the piezoelectric vibrator.
に設けられ、底が閉じていることを特徴とする請求項５
に記載の圧電部品。6. The recess is provided in the surface of the one surface of the substrate, and the bottom is closed.
The piezoelectric component described in 1.
電振動子に電気的に接続されるコンデンサを有し、前記
コンデンサが前記基板面上に設けられた電極によって構
成されていることを特徴とする請求項１、２、３、４、
５または６の何れかに記載の圧電部品。7. The substrate is made of a dielectric material, has a capacitor electrically connected to the piezoelectric vibrator, and the capacitor is constituted by an electrode provided on the surface of the substrate. Claims 1, 2, 3, 4, characterized in that
The piezoelectric component according to any one of 5 and 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP064274U JPH0580027U (en) | 1991-07-18 | 1991-07-18 | Piezoelectric parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP064274U JPH0580027U (en) | 1991-07-18 | 1991-07-18 | Piezoelectric parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0580027U true JPH0580027U (en) | 1993-10-29 |
Family
ID=13253478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP064274U Pending JPH0580027U (en) | 1991-07-18 | 1991-07-18 | Piezoelectric parts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0580027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102576036A (en) * | 2009-10-07 | 2012-07-11 | Nec东金株式会社 | Piezoelectric acceleration sensor |
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|---|---|---|---|---|
| JPS60256212A (en) * | 1984-06-01 | 1985-12-17 | Matsushita Electric Ind Co Ltd | piezoelectric resonator |
| JPS6242330B2 (en) * | 1979-02-21 | 1987-09-08 | Hitachi Ltd | |
| JPH0281508A (en) * | 1988-09-19 | 1990-03-22 | Matsushita Electric Ind Co Ltd | electronic components |
| JPH0216613B2 (en) * | 1982-07-26 | 1990-04-17 | Toyo Communication Equip | |
| JPH03196594A (en) * | 1989-12-25 | 1991-08-28 | Murata Mfg Co Ltd | Printed circuit board and package structure using same |
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1991
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6242330B2 (en) * | 1979-02-21 | 1987-09-08 | Hitachi Ltd | |
| JPH0216613B2 (en) * | 1982-07-26 | 1990-04-17 | Toyo Communication Equip | |
| JPS60256212A (en) * | 1984-06-01 | 1985-12-17 | Matsushita Electric Ind Co Ltd | piezoelectric resonator |
| JPH0281508A (en) * | 1988-09-19 | 1990-03-22 | Matsushita Electric Ind Co Ltd | electronic components |
| JPH03196594A (en) * | 1989-12-25 | 1991-08-28 | Murata Mfg Co Ltd | Printed circuit board and package structure using same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102576036A (en) * | 2009-10-07 | 2012-07-11 | Nec东金株式会社 | Piezoelectric acceleration sensor |
| JP5579190B2 (en) * | 2009-10-07 | 2014-08-27 | Ｎｅｃトーキン株式会社 | Piezoelectric acceleration sensor |
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