JPS56106877A - Thermal head - Google Patents

Thermal head

Info

Publication number
JPS56106877A
JPS56106877A JP1027280A JP1027280A JPS56106877A JP S56106877 A JPS56106877 A JP S56106877A JP 1027280 A JP1027280 A JP 1027280A JP 1027280 A JP1027280 A JP 1027280A JP S56106877 A JPS56106877 A JP S56106877A
Authority
JP
Japan
Prior art keywords
bus
metal
cap
drivind
built
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
JP1027280A
Other languages
Japanese (ja)
Inventor
Tamio Saito
Yoshikatsu Fukumoto
Kiyomi Tagaya
Gosuke Anno
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP1027280A priority Critical patent/JPS56106877A/en
Publication of JPS56106877A publication Critical patent/JPS56106877A/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
    • B41J2/35—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 providing current or voltage to the thermal head

Landscapes

  • Electronic Switches (AREA)

Abstract

PURPOSE:To suppress a voltage drop when a high current flows, by a method wherein, in a simultaneous driving type thermal head, a radiating metal plate and/or a metal cap for circuit protection are used as a bus for current feed, to a heat resistand body. CONSTITUTION:A row 12, in which heating resistances 4 are arranged on a glaze layer 18, and a circuit part 13, in which an insulation layer 20 are formed, are formed on an insulation substrate 11. The circuit part 13 consists of a IC tip 22, into which each unit of several tens bits of shift registors 2 is built, and a IC tip 21, into which each unit of several drivind elements 3 is built, and is guarded from an outer environment by means of a metal cap 14. Besides, the cap 14 is electrically connected to a common film wiring 23 of a drivind element to function as a bus L2 for current feeding. Meanwhile, a metal plate 15 for radiation, whereon the substrate 11 is secured, is connected to a common wire 17 of the heat resistant 4 through press metal 16, and acts as a bus L1 for current feeding.
JP1027280A 1980-01-31 1980-01-31 Thermal head Pending JPS56106877A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1027280A JPS56106877A (en) 1980-01-31 1980-01-31 Thermal head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1027280A JPS56106877A (en) 1980-01-31 1980-01-31 Thermal head

Publications (1)

Publication Number Publication Date
JPS56106877A true JPS56106877A (en) 1981-08-25

Family

ID=11745673

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1027280A Pending JPS56106877A (en) 1980-01-31 1980-01-31 Thermal head

Country Status (1)

Country Link
JP (1) JPS56106877A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024004352A1 (en) * 2022-06-29 2024-01-04 ローム株式会社 Thermal print head, thermal printer, and method for manufacturing thermal print head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024004352A1 (en) * 2022-06-29 2024-01-04 ローム株式会社 Thermal print head, thermal printer, and method for manufacturing thermal print head

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