JPS5474757A - Heat-sensitive recording head - Google Patents
Heat-sensitive recording headInfo
- Publication number
- JPS5474757A JPS5474757A JP14234877A JP14234877A JPS5474757A JP S5474757 A JPS5474757 A JP S5474757A JP 14234877 A JP14234877 A JP 14234877A JP 14234877 A JP14234877 A JP 14234877A JP S5474757 A JPS5474757 A JP S5474757A
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- heat
- circuit
- sensitive recording
- diode
- 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
Landscapes
- Electronic Switches (AREA)
- Non-Adjustable Resistors (AREA)
Abstract
PURPOSE: To lower cost and increase density and reliability by integrally forming a heating resistor for heat-sensitive recording, isolating diode, matrix circuit, external lead terminals, etc. on a sapphire substrate.
CONSTITUTION: By making use of the Si layer formed on a sapphire substrate 1, a Si heating resistor 2, isolating diode 3 and head control circuit 11 are formed by way of a heat accumulation layer 18 such as of SiO2, etc. and further a matrix circuit 4, external lead terminals 7, wiring conductors 8, etc. are formed. A glass-reinforced epoxy printed board 12 is provided by means of an adhesive agent 13 on the back of the substrate 1 and a high heat conductivity substrate 5 is provided on the remaining back by means of an adhesive agent 6. The board 12 is bonded to the notch part 15 of the substrate 5. The circuit 11 consists of (m) row driving control circuits 11a and (n) column driving control circuits 11b and is isolated thermally from the resistor 2 together with the diode 3 by means of thermally isolating grooves 19.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14234877A JPS5474757A (en) | 1977-11-28 | 1977-11-28 | Heat-sensitive recording head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14234877A JPS5474757A (en) | 1977-11-28 | 1977-11-28 | Heat-sensitive recording head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5474757A true JPS5474757A (en) | 1979-06-15 |
Family
ID=15313269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14234877A Pending JPS5474757A (en) | 1977-11-28 | 1977-11-28 | Heat-sensitive recording head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5474757A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60203471A (en) * | 1985-01-25 | 1985-10-15 | Ricoh Co Ltd | Driver for thermal recording head |
JPS61163870A (en) * | 1985-01-16 | 1986-07-24 | Mitsubishi Electric Corp | Thermal head |
-
1977
- 1977-11-28 JP JP14234877A patent/JPS5474757A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61163870A (en) * | 1985-01-16 | 1986-07-24 | Mitsubishi Electric Corp | Thermal head |
JPS60203471A (en) * | 1985-01-25 | 1985-10-15 | Ricoh Co Ltd | Driver for thermal recording head |
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