FR2397941A1 - Thermal printing head - consists of a ceramic substrate with conductive and resistive tracks formed by screen printing - Google Patents

Thermal printing head - consists of a ceramic substrate with conductive and resistive tracks formed by screen printing

Info

Publication number
FR2397941A1
FR2397941A1 FR7722090A FR7722090A FR2397941A1 FR 2397941 A1 FR2397941 A1 FR 2397941A1 FR 7722090 A FR7722090 A FR 7722090A FR 7722090 A FR7722090 A FR 7722090A FR 2397941 A1 FR2397941 A1 FR 2397941A1
Authority
FR
France
Prior art keywords
conductive
ceramic substrate
conductive deposit
deposit
deposits
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.)
Granted
Application number
FR7722090A
Other languages
French (fr)
Other versions
FR2397941B1 (en
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.)
Eurofarad EFD SAS
Original Assignee
Eurofarad EFD SAS
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 Eurofarad EFD SAS filed Critical Eurofarad EFD SAS
Priority to FR7722090A priority Critical patent/FR2397941A1/en
Publication of FR2397941A1 publication Critical patent/FR2397941A1/en
Application granted granted Critical
Publication of FR2397941B1 publication Critical patent/FR2397941B1/fr
Granted 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
    • B41J2/33555—Structure of thermal heads characterised by type
    • B41J2/3357—Surface type resistors
    • 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
    • B41J2/3359—Manufacturing processes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
    • G01D15/10—Heated recording elements acting on heatsensitive layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)

Abstract

Thermal printing head consists of a ceramic substrate; a first conductor layer on the ceramic substrate; a series of second conductive deposits each having a part adjacent to the first conductive deposit; and areas of resistive material, each extending between one of the second conductive deposits at its part adjacent the first conductive deposit, and the first conductive deposit, making electrical contact at each end. The first conductive deposit comprises a first straight line part. The second conductive deposit is effected adjacent the first. These deposits are applied by screen printing usin an ink contg. as conductor a metal selected from Pt, Ag, Pd and Au, their mixts. and alloys. A resistive area is then screen printed between the long arm of the first conductive deposit and the second conductive deposit running alongside it.
FR7722090A 1977-07-19 1977-07-19 Thermal printing head - consists of a ceramic substrate with conductive and resistive tracks formed by screen printing Granted FR2397941A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7722090A FR2397941A1 (en) 1977-07-19 1977-07-19 Thermal printing head - consists of a ceramic substrate with conductive and resistive tracks formed by screen printing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7722090A FR2397941A1 (en) 1977-07-19 1977-07-19 Thermal printing head - consists of a ceramic substrate with conductive and resistive tracks formed by screen printing

Publications (2)

Publication Number Publication Date
FR2397941A1 true FR2397941A1 (en) 1979-02-16
FR2397941B1 FR2397941B1 (en) 1980-02-01

Family

ID=9193496

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7722090A Granted FR2397941A1 (en) 1977-07-19 1977-07-19 Thermal printing head - consists of a ceramic substrate with conductive and resistive tracks formed by screen printing

Country Status (1)

Country Link
FR (1) FR2397941A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0150579A1 (en) * 1984-01-27 1985-08-07 Kabushiki Kaisha Toshiba Thermal head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0150579A1 (en) * 1984-01-27 1985-08-07 Kabushiki Kaisha Toshiba Thermal head
US4574292A (en) * 1984-01-27 1986-03-04 Kabushiki Kaisha Toshiba Thermal head

Also Published As

Publication number Publication date
FR2397941B1 (en) 1980-02-01

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Legal Events

Date Code Title Description
ST Notification of lapse