JPS5656886A - Thermal head - Google Patents

Thermal head

Info

Publication number
JPS5656886A
JPS5656886A JP13292779A JP13292779A JPS5656886A JP S5656886 A JPS5656886 A JP S5656886A JP 13292779 A JP13292779 A JP 13292779A JP 13292779 A JP13292779 A JP 13292779A JP S5656886 A JPS5656886 A JP S5656886A
Authority
JP
Japan
Prior art keywords
layer
heating body
thin film
leading
body layer
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
JP13292779A
Other languages
Japanese (ja)
Inventor
Katsuto Nagano
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Priority to JP13292779A priority Critical patent/JPS5656886A/en
Publication of JPS5656886A publication Critical patent/JPS5656886A/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

Landscapes

  • Electronic Switches (AREA)

Abstract

PURPOSE:To prevent the resistance value of a heating body layer and the reproducibility for a picture from fluctuate to improve the life of the head, by arranging a silicon nitride layer adjacent to an end on the heating portion side of a leading layer to be overlaid on a polycrystalline silicon thin film heating body layer. CONSTITUTION:In the silicon thin film heating body 1 comprisig the polycrystalline silicon thin film heating body layer 4 and the leading layers 51, 53 overlaid on a glaze layer 3 for accumulating heat on a base plate 2 of alumina or the like and covered with a protective film 6, the layer 7 of silicon nitride is arranged ad jacent to an end on the heating portion side of at least one of the leading layers 51, 53 and between the heating body layer 4 and the glaze layer 3 and/or between the heating body layer 4 (including the leading layers 51, 53) and the protective layer 6. The silicon nitride layer may comprise Si2N4 as well Si2N3and SiN and preferably has a thickness ranging from 500-3,000Angstrom .
JP13292779A 1979-10-17 1979-10-17 Thermal head Pending JPS5656886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13292779A JPS5656886A (en) 1979-10-17 1979-10-17 Thermal head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13292779A JPS5656886A (en) 1979-10-17 1979-10-17 Thermal head

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP878985A Division JPS60166469A (en) 1985-01-21 1985-01-21 Thermal head

Publications (1)

Publication Number Publication Date
JPS5656886A true JPS5656886A (en) 1981-05-19

Family

ID=15092749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13292779A Pending JPS5656886A (en) 1979-10-17 1979-10-17 Thermal head

Country Status (1)

Country Link
JP (1) JPS5656886A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60166469A (en) * 1985-01-21 1985-08-29 Tdk Corp Thermal head
JPS60206663A (en) * 1984-03-09 1985-10-18 ゼロツクス　コーポレーシヨン Bubble type ink-jet printer
JPS62151359A (en) * 1985-12-25 1987-07-06 Alps Electric Co Ltd Thermal head

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60206663A (en) * 1984-03-09 1985-10-18 ゼロツクス　コーポレーシヨン Bubble type ink-jet printer
JPS60166469A (en) * 1985-01-21 1985-08-29 Tdk Corp Thermal head
JPS62151359A (en) * 1985-12-25 1987-07-06 Alps Electric Co Ltd Thermal head

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