JPS57185172A - Thermal head - Google Patents
Thermal headInfo
- Publication number
- JPS57185172A JPS57185172A JP6931481A JP6931481A JPS57185172A JP S57185172 A JPS57185172 A JP S57185172A JP 6931481 A JP6931481 A JP 6931481A JP 6931481 A JP6931481 A JP 6931481A JP S57185172 A JPS57185172 A JP S57185172A
- Authority
- JP
- Japan
- Prior art keywords
- base plates
- shaped grooves
- heating body
- electrodes
- carbon fiber
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/335—Structure of thermal heads
Landscapes
- Electronic Switches (AREA)
Abstract
PURPOSE:To obtain a thermal head suitable for high-speed and high-density printing by providing a power supplying electrode on grooves facing each other, formed on one sides of two base plates and having carbon fiber in between. CONSTITUTION:V-shaped grooves 5a are formed on one sides of two silicon base plates 5 by an etching method using hydrofluoric acid, Au electrodes 6 are provided in the face of the V-shaped grooves 5, and heating bodies 7 of carbon fiber are put between the V-shaped grooves 5a. Then, alumina base plates 9 having electrodes 8 of thick Au paste films are fixed to the outsides of them. A protective layer 10 of SiO2, etc., is formed over the heating body, etc., by sputtering method. The heating body 7 is made of carbon fibers having excellent specific strength and excellent specific elasticity and a diameter of about 5-100mum. The cut cross section of the heating body 7 is utilized as a printing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6931481A JPS57185172A (en) | 1981-05-11 | 1981-05-11 | Thermal head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6931481A JPS57185172A (en) | 1981-05-11 | 1981-05-11 | Thermal head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57185172A true JPS57185172A (en) | 1982-11-15 |
Family
ID=13398967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6931481A Pending JPS57185172A (en) | 1981-05-11 | 1981-05-11 | Thermal head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57185172A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0581629U (en) * | 1992-04-01 | 1993-11-05 | 福田 ▲たつ▼男 | Auxiliary equipment for pipe installation |
| CN100435399C (en) * | 2004-01-20 | 2008-11-19 | 株式会社日立制作所 | Fuel container for fuel cell |
-
1981
- 1981-05-11 JP JP6931481A patent/JPS57185172A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0581629U (en) * | 1992-04-01 | 1993-11-05 | 福田 ▲たつ▼男 | Auxiliary equipment for pipe installation |
| CN100435399C (en) * | 2004-01-20 | 2008-11-19 | 株式会社日立制作所 | Fuel container for fuel cell |
| US7766032B2 (en) | 2004-01-20 | 2010-08-03 | Hitachi, Ltd. | Fuel container for fuel cell |
| JP4944444B2 (en) * | 2004-01-20 | 2012-05-30 | 株式会社日立製作所 | Fuel container for fuel cell |
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