JPS644648U - - Google Patents
Info
- Publication number
- JPS644648U JPS644648U JP9932887U JP9932887U JPS644648U JP S644648 U JPS644648 U JP S644648U JP 9932887 U JP9932887 U JP 9932887U JP 9932887 U JP9932887 U JP 9932887U JP S644648 U JPS644648 U JP S644648U
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- thermal head
- ceramic substrate
- line thermal
- heating element
- 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.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000005530 etching Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229920000728 polyester Polymers 0.000 claims 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図はこの考案の一実施例のサーマルヘツド
の電気絶縁シート近辺の分解斜視図、第２図は第
１図の正面組立図、第３図はラインサーマルヘツ
ドの側面図、第４図は従来の電気絶縁シート近辺
の分解斜視図、第５図は第４図の正面組立図であ
る。
１……放熱板、４……セラミツク基板、４ａ…
…共通電極、４ｂ……発熱体、２１……電気絶縁
シート、２２……補強板、２３……絶縁合成樹脂
シート、２４……形状部、２５……周辺部。なお
、各図中、同一符号は同一又は相当部分を示す。
Fig. 1 is an exploded perspective view of the vicinity of the electrical insulation sheet of a thermal head according to an embodiment of this invention, Fig. 2 is a front assembly view of Fig. 1, Fig. 3 is a side view of the line thermal head, and Fig. 4 is FIG. 5 is an exploded perspective view of the vicinity of a conventional electric insulating sheet, and FIG. 5 is a front assembled view of FIG. 4. 1... Heat sink, 4... Ceramic substrate, 4a...
... common electrode, 4b ... heating element, 21 ... electrical insulating sheet, 22 ... reinforcing plate, 23 ... insulating synthetic resin sheet, 24 ... shaped part, 25 ... peripheral part. In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
基板と、該セラミツク基板の発熱体を有しない面
に接して、間に電気絶縁シートを介して、設けら
れている放熱板とを備えているラインサーマルヘ
ツドにおいて、電気絶縁シートが、絶縁合成樹脂
シートをラミネートしている金属製補強シートの
形状部の周辺部をエツチング法により除却成形し
た後所定の形状に加工して構成されていることを
特徴とするラインサーマルヘツド。 (2) 絶縁合成樹脂シートが、ポリエステルシー
トである実用新案登録請求の範囲第１項記載のラ
インサーマルヘツド。[Claims for Utility Model Registration] (1) A ceramic substrate provided with a heating element on one surface, and a ceramic substrate provided in contact with the surface of the ceramic substrate that does not have a heating element, with an electrically insulating sheet interposed therebetween. In a line thermal head equipped with a heat dissipation plate, the electrical insulating sheet is formed by etching the periphery of the metal reinforcing sheet on which the insulating synthetic resin sheet is laminated, and then processing it into a predetermined shape. A line thermal head characterized by comprising: (2) The line thermal head according to claim 1, wherein the insulating synthetic resin sheet is a polyester sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9932887U JPS644648U (en) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9932887U JPS644648U (en) | 1987-06-30 | 1987-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS644648U true JPS644648U (en) | 1989-01-12 |
Family
ID=31326382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9932887U Pending JPS644648U (en) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS644648U (en) |
-
1987
- 1987-06-30 JP JP9932887U patent/JPS644648U/ja active Pending