JPS5522903A - Heat emitting head - Google Patents

Heat emitting head

Info

Publication number
JPS5522903A
JPS5522903A JP7680678A JP7680678A JPS5522903A JP S5522903 A JPS5522903 A JP S5522903A JP 7680678 A JP7680678 A JP 7680678A JP 7680678 A JP7680678 A JP 7680678A JP S5522903 A JPS5522903 A JP S5522903A
Authority
JP
Japan
Prior art keywords
heat
diode
layer
zener diode
glass
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
Application number
JP7680678A
Other languages
Japanese (ja)
Inventor
Takashi Saito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP7680678A priority Critical patent/JPS5522903A/en
Publication of JPS5522903A publication Critical patent/JPS5522903A/en
Pending legal-status Critical Current

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

Abstract

PURPOSE:To simplify the structure thus enabling a massproduction as well as providing low cost by replacing a resistor with a Zener diode to give both functions as a heat emitting element and a preventive diode for heat escape. CONSTITUTION:A thermo-resisting bracing layer 1b such as glass is provided at the end surface of a heat resisting insulation substrate 1a such as glass or epoxy resin. A Zener diode ZD is fixed after both its electrodes are connected in such a way that they bridge two conductive layers 1c and 1d over the bracing layer 1b and the both sides of the substrate 1a. Then a protective layer 1e made of tantalum oxide is coated. A voltage that is higher than the Zener voltage is applied between the both layer 1c and 1d to heat the Zener diode ZD, thus foaming a section of a heat sensitive recording paper 2 where the diode is in contact with. As a result, recording is done. USE:A heat sensitive recording device for a facsimile, printer, data recorder, and others.
JP7680678A 1978-06-24 1978-06-24 Heat emitting head Pending JPS5522903A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7680678A JPS5522903A (en) 1978-06-24 1978-06-24 Heat emitting head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7680678A JPS5522903A (en) 1978-06-24 1978-06-24 Heat emitting head

Publications (1)

Publication Number Publication Date
JPS5522903A true JPS5522903A (en) 1980-02-19

Family

ID=13615894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7680678A Pending JPS5522903A (en) 1978-06-24 1978-06-24 Heat emitting head

Country Status (1)

Country Link
JP (1) JPS5522903A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542970A (en) * 1981-07-15 1985-09-24 Canon Kabushiki Kaisha Shutter release device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542970A (en) * 1981-07-15 1985-09-24 Canon Kabushiki Kaisha Shutter release device

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