JPS6370464A - Manufacture of thermoelement for electronic watch - Google Patents
Manufacture of thermoelement for electronic watchInfo
- Publication number
- JPS6370464A JPS6370464A JP61214340A JP21434086A JPS6370464A JP S6370464 A JPS6370464 A JP S6370464A JP 61214340 A JP61214340 A JP 61214340A JP 21434086 A JP21434086 A JP 21434086A JP S6370464 A JPS6370464 A JP S6370464A
- Authority
- JP
- Japan
- Prior art keywords
- type
- heat
- thermoelectric
- thermoelectric material
- materials
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 40
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 239000003973 paint Substances 0.000 claims abstract 3
- 239000002994 raw material Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims 1
- 239000003779 heat-resistant material Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000010408 film Substances 0.000 description 5
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
Landscapes
- Electromechanical Clocks (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は電子腕時計のエネルギー源として利用する熱電
素子の製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method of manufacturing a thermoelectric element used as an energy source for an electronic wristwatch.
本発明は得られる’ＬＡ度差が小さく、かつ限られた素
子容積のため微細な熱電材料を数千個も形成する必要が
ある電子腕時計の熱電素子の製造方法において、断熱耐
熱性２Ｓ仮に厚膜法にス）・ライブ状に熱電材料を形成
し、これを積層後、焼結を行い、その後′ｉ２極を形成
することにより、熱電素子を節易に製造することを可能
とするものである。The present invention is applicable to a method for manufacturing a thermoelectric element for an electronic wristwatch, in which the LA degree difference obtained is small and it is necessary to form thousands of fine thermoelectric materials due to the limited element volume. By forming thermoelectric materials in a live shape using the film method, stacking them, sintering them, and then forming 2 poles, it is possible to manufacture thermoelectric elements economically. be.
電子腕時計において、体温を利用した熱電素子と大容量
コンデンサや２次電池との祖合わせにより半永久電源を
得ることができる。In an electronic wristwatch, a semi-permanent power source can be obtained by combining a thermoelectric element that uses body temperature with a large-capacity capacitor and a secondary battery.
ところが腕時計において熱電素子の得ることができる温
度差は１〜３℃と小さく、しかもその而積は６ｃｓｉ程
度が限度である。However, in wristwatches, the temperature difference that can be obtained by thermoelectric elements is as small as 1 to 3° C., and the temperature difference is limited to about 6 psi.
常温付近で最もすぐれた性能指数をもつものとして（Ｂ
ｉ、 Ｓ ｂ）ｚ （Ｔ ｅ、 Ｓ ｅ）ｓ系熱
電材料があるが、この材料でもＮ形およびＰ形ともゼー
ベック係数は、２００μＶ／ｌ［程度であり、従ってた
とえば温度差２℃で電圧２■を得るためには５千個もの
素子が必要となる。従って素子１個の断面積は、０．１
２ｎ”以下となり、しかも素子の温度差方向の寸法が大
きいほど温度差は大きくなるので少なくとも５〜６１１
は必要となり、このような微細で細長い素子を数千個も
１個１個組立てることは不可能であるため、たとえば電
子通信技術研究報告ＣＰＭ８４−７６にみられるごとく
、薄膜プロセスを利用することが考えられる。As having the best performance index near room temperature (B
i, S b) z (T e, S e) s type thermoelectric materials, but the Seebeck coefficient of both N-type and P-type of this material is about 200 μV/l. As many as 5,000 elements are required to obtain 2■. Therefore, the cross-sectional area of one element is 0.1
2n" or less, and the larger the dimension of the element in the temperature difference direction, the larger the temperature difference, so at least 5 to 611
Since it is impossible to assemble thousands of such fine and elongated elements one by one, it is possible to use a thin film process, as seen in the Electronic Communication Technology Research Report CPM84-76. Conceivable.
熱電素子の製造方法として薄膜プロセスを利用した場合
、得られる膜厚に限度があり、抵抗が大きくなるという
欠点があり、また電極形成も容易でない。When a thin film process is used as a method for manufacturing a thermoelectric element, there is a limit to the thickness of the film that can be obtained, and there are drawbacks such as increased resistance, and electrode formation is also not easy.
また薄膜プロセスでは利用できる熱ＴＨ材料が限られて
おり、性能指数のすぐれたものは得られない。Further, in the thin film process, there are a limited number of thermal TH materials that can be used, and it is not possible to obtain a material with an excellent figure of merit.
ｃ問題点を解決するための手段〕
本発明では断熱耐熱性基板に厚膜法でストライブ状に熱
電材料を形成し、未焼結状態で積層後、焼結を行い、そ
の後、１ｌｉｔ極を形成する。Measures for Solving Problems] In the present invention, a thermoelectric material is formed in stripes on a heat-insulating heat-resistant substrate by a thick film method, laminated in an unsintered state, and then sintered. Form.
断熱耐熱性基板上に温度差方向にストライブ状に形成す
ることで厚膜法の利用できる寸法となり、かつ、強度の
弱い微細な素子を１度に多量に形成でき取扱いも容易と
なり、積Ｎ後焼結し、電極を形成することで電極形成も
容易となる。By forming stripes in the direction of the temperature difference on a heat-insulating heat-resistant substrate, the dimensions can be used for the thick film method, and a large number of small, weak-strength elements can be formed at one time, making it easy to handle, and the product N By post-sintering and forming electrodes, electrode formation is also facilitated.
以下図面により説明する。 This will be explained below with reference to the drawings.
第１図に断熱耐熱性基板への熱電材料の形成状態を示す
部分断面図を示す。FIG. 1 is a partial cross-sectional view showing the state of formation of a thermoelectric material on a heat-insulating heat-resistant substrate.
断熱耐熱性基板１の上にＮ形熱電材料２が一定間隔でス
トライブ状に形成されている。N-type thermoelectric material 2 is formed in stripes at regular intervals on a heat-insulating heat-resistant substrate 1.
第２図から第４図に断熱耐熱性基板への熱電材料の別の
形成状態を示す部分断面図を示す。FIGS. 2 to 4 are partial cross-sectional views showing other formation states of the thermoelectric material on the heat-insulating and heat-resistant substrate.
断熱耐熱性基板１にＮ形熱電材料２あるいはＰ形熱電材
料３がストライブ状に形成されている。An N-type thermoelectric material 2 or a P-type thermoelectric material 3 is formed in a stripe shape on a heat-insulating heat-resistant substrate 1.
断熱耐熱性基板としてはガラス、磁器などを使用し、（
Ｂｉ、５ｂ）ｚ（Ｔｅ、Ｓｅ）、系の熱電材料の原料粉
をプレピレングリコールを溶剤としてスクリーン印刷に
よりストライブ状に形成する。Glass, porcelain, etc. are used as the heat-insulating and heat-resistant substrate.
Raw material powder for Bi, 5b)z(Te, Se) type thermoelectric material is formed into stripes by screen printing using propylene glycol as a solvent.
以上のようにして得た熱電材料を形成した断熱耐熱性基
板を積層する。The heat-insulating heat-resistant substrates formed with the thermoelectric material obtained as described above are laminated.
第５図に積層状態の公平面図を示す。FIG. 5 shows a fair view of the laminated state.
断熱耐熱性基板ｌと、Ｎ形熱電材料２とＰ形熱電材料３
が交互に形成された層が交互に所定層積層される。Adiabatic heat-resistant substrate 1, N-type thermoelectric material 2, and P-type thermoelectric material 3
A predetermined layer of alternately formed layers is laminated alternately.
第６図に同一断熱耐熱性基板にはさまれる熱電材料層が
Ｎ形またはＰ形熱電材料の一方のみの熱電材料の場合の
積層状態の部分平面図を示す。FIG. 6 shows a partial plan view of a laminated state in which the thermoelectric material layers sandwiched between the same heat-insulating and heat-resistant substrates are only one of N-type and P-type thermoelectric materials.
同一面上でＮ形とＰ形間に電極を形成するためには最上
層及び最下層の外電材料列を１列ごと除去する必要があ
り第６図では断熱耐熱性基（反１０１部により最上層の
Ｎ形熱電材料２が７換えられている。In order to form an electrode between N-type and P-type on the same surface, it is necessary to remove each row of the uppermost and lowermost layers of external conductive material. The upper layer N-type thermoelectric material 2 has been replaced seven times.
このようにして得た積層体を非酸化性雰囲気で５００℃
付近で焼結する。The thus obtained laminate was heated to 500°C in a non-oxidizing atmosphere.
Sintering occurs nearby.
焼結後、第７図に部分平面図に示すように、Ｎ形および
Ｐ形熱電材料間に電極４を形成し、Ｎ形とＰ形の直列結
合を行なう。After sintering, as shown in the partial plan view of FIG. 7, an electrode 4 is formed between the N-type and P-type thermoelectric materials, and the N-type and P-type are coupled in series.
最終的素子の完成状態の部分断面図を第８図に示す。A partial cross-sectional view of the final device in its completed state is shown in FIG.
電極４のうえに絶縁層５を形成し、そのうえに伝熱板６
を形成する。周囲は有機樹脂７で保護する。An insulating layer 5 is formed on the electrode 4, and a heat transfer plate 6 is formed thereon.
form. The surrounding area is protected with organic resin 7.
以上述べたように本発明によれば厚膜法により断熱耐熱
性基板に熱電材料を形成し、これを積層、焼結を行い、
その後電極を形成することで、温度差が小さくしかも限
られた容積のため、微細な熱電材料を高集積化する必要
のある電子腕時計の外電素子を簡単に製造することがで
きる。As described above, according to the present invention, a thermoelectric material is formed on a heat-insulating heat-resistant substrate by a thick film method, and this is laminated and sintered.
By subsequently forming electrodes, it is possible to easily manufacture external electronic wristwatch elements that require highly integrated fine thermoelectric materials because of the small temperature difference and limited volume.
第１図から第４図は断熱耐熱性基板への外電ｔオ料の形
成状態を示す部分断面図であり、第５回および第６図は
その積層状態を示す部分平面図であり、第７図は電極形
成状態を示す部分平面図であり、第８図は、熱電素子の
完成状態の部分断面図である。
１・・・断熱耐熱性基板
２・・・Ｎ形熱電材料
３・・・Ｐ形熱電材料
４・・・電極
５・・・絶＆ｉＮ
６・・・伝熱板
７・・・を機樹脂
以上
部分断面口
第３ 図1 to 4 are partial cross-sectional views showing the state of formation of the external electric charge material on the heat-insulating heat-resistant substrate; FIGS. 5 and 6 are partial plan views showing the laminated state thereof; and FIG. The figure is a partial plan view showing the state of electrode formation, and FIG. 8 is a partial sectional view of the completed thermoelectric element. 1... Insulating heat-resistant substrate 2... N-type thermoelectric material 3... P-type thermoelectric material 4... Electrode 5... Absolute & iN 6... Heat transfer plate 7... made of mechanical resin or higher Partial cross section Figure 3
Claims (3)
剤または結合剤などを混合した塗料の印刷による、厚膜
プロセスでストライプ状に熱電材料を形成し、これを未
焼結状態で積層後、焼結を行い、その後、電極を形成す
ることを特徴とする電子腕時計用熱電素子の製造方法。(1) Thermoelectric material is formed in stripes on one or both sides of a heat-insulating heat-resistant substrate using a thick film process by printing a paint mixture of powdered raw materials and a solvent or binder, and this is laminated in an unsintered state. 1. A method for manufacturing a thermoelectric element for an electronic wristwatch, the method comprising: sintering, and then forming electrodes.
刷時においてＮ形又はＰ形の一方のみの熱電材料である
ことを特徴とする特許請求の範囲第１項記載の電子腕時
計用熱電素子の製造方法。(2) The electronic wristwatch according to claim 1, wherein the thermoelectric material on the same side of the heat-insulating heat-resistant substrate is only one of N-type or P-type thermoelectric material when printing the paint. Method for manufacturing thermoelectric elements.
材料層は、Ｎ形又はＰ形の一方のみの熱電材料であり、
最上層及び最下層の熱電材料層が、１列ごとに断熱耐熱
材料と置換されている特許請求の範囲第１項記載の電子
腕時計用熱電素子の製造方法。(3) The thermoelectric material layer sandwiched between the same heat-insulating and heat-resistant substrates in a laminated state is only one of N-type or P-type thermoelectric material,
2. The method of manufacturing a thermoelectric element for an electronic wristwatch according to claim 1, wherein the uppermost and lowermost thermoelectric material layers are replaced with a heat-insulating heat-resistant material for each row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61214340A JP2542497B2 (en) | 1986-09-11 | 1986-09-11 | Method for manufacturing thermoelectric element for electronic wrist watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61214340A JP2542497B2 (en) | 1986-09-11 | 1986-09-11 | Method for manufacturing thermoelectric element for electronic wrist watch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6370464A true JPS6370464A (en) | 1988-03-30 |
| JP2542497B2 JP2542497B2 (en) | 1996-10-09 |
Family
ID=16654139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61214340A Expired - Fee Related JP2542497B2 (en) | 1986-09-11 | 1986-09-11 | Method for manufacturing thermoelectric element for electronic wrist watch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2542497B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005217353A (en) * | 2004-02-02 | 2005-08-11 | Yokohama Teikoki Kk | Thermoelectric semiconductor element, thermoelectric transformation module, and method of manufacturing the same |
-
1986
- 1986-09-11 JP JP61214340A patent/JP2542497B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005217353A (en) * | 2004-02-02 | 2005-08-11 | Yokohama Teikoki Kk | Thermoelectric semiconductor element, thermoelectric transformation module, and method of manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2542497B2 (en) | 1996-10-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |