EP0454133A3 - Thermal print head trimming apparatus and method for trimming resistance of a thermal print head - Google Patents

Thermal print head trimming apparatus and method for trimming resistance of a thermal print head Download PDF

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Publication number
EP0454133A3
EP0454133A3 EP19910106720 EP91106720A EP0454133A3 EP 0454133 A3 EP0454133 A3 EP 0454133A3 EP 19910106720 EP19910106720 EP 19910106720 EP 91106720 A EP91106720 A EP 91106720A EP 0454133 A3 EP0454133 A3 EP 0454133A3
Authority
EP
European Patent Office
Prior art keywords
print head
thermal print
trimming
resistance
trimming apparatus
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.)
Withdrawn
Application number
EP19910106720
Other versions
EP0454133A2 (en
Inventor
Nobuyuki Yoshiike
Yoshihiro Watanabe
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP2113880A external-priority patent/JP2563642B2/en
Priority claimed from JP11387990A external-priority patent/JP2523934B2/en
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of EP0454133A2 publication Critical patent/EP0454133A2/en
Publication of EP0454133A3 publication Critical patent/EP0454133A3/en
Withdrawn legal-status Critical Current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
    • B41J2/345—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 characterised by the arrangement of resistors or conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/22—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
    • H01C17/26—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by converting resistive material
    • H01C17/265—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by converting resistive material by chemical or thermal treatment, e.g. oxydation, reduction, annealing
    • H01C17/267—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by converting resistive material by chemical or thermal treatment, e.g. oxydation, reduction, annealing by passage of voltage pulses or electric current
EP19910106720 1990-04-26 1991-04-25 Thermal print head trimming apparatus and method for trimming resistance of a thermal print head Withdrawn EP0454133A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP113880/90 1990-04-26
JP113879/90 1990-04-26
JP2113880A JP2563642B2 (en) 1990-04-26 1990-04-26 Thermal head and its resistance trimming method
JP11387990A JP2523934B2 (en) 1990-04-26 1990-04-26 Resistance trimming method of thermal head

Publications (2)

Publication Number Publication Date
EP0454133A2 EP0454133A2 (en) 1991-10-30
EP0454133A3 true EP0454133A3 (en) 1993-01-13

Family

ID=26452777

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910106720 Withdrawn EP0454133A3 (en) 1990-04-26 1991-04-25 Thermal print head trimming apparatus and method for trimming resistance of a thermal print head

Country Status (1)

Country Link
EP (1) EP0454133A3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10173135A (en) * 1996-12-16 1998-06-26 Matsushita Electron Corp Semiconductor integrated circuit and manufacturing method thereof
RU2620263C1 (en) * 2016-04-26 2017-05-24 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Поволжский государственный технологический университет" Device for thick-film resistor trimming
RU2722213C1 (en) * 2019-08-27 2020-05-28 Акционерное общество "Научно-исследовательский институт физических измерений" Stabilization method of resistors
RU2726849C1 (en) * 2019-12-25 2020-07-16 федеральное государственное автономное образовательное учреждение высшего образования "Самарский национальный исследовательский университет имени академика С.П. Королёва" Device for adjustment of thick-film resistors
CN115050530B (en) * 2022-04-26 2023-12-22 华中科技大学 Round-robin resistance-adjusting circuit and resistance-adjusting method for thick film resistor array of thermal printing sheet

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3616217A1 (en) * 1985-10-17 1987-04-23 Ant Nachrichtentech Resistance trimming device
US4782202A (en) * 1986-12-29 1988-11-01 Mitsubishi Denki Kabushiki Kaisha Method and apparatus for resistance adjustment of thick film thermal print heads
EP0342243A1 (en) * 1987-11-19 1989-11-23 Matsushita Electric Industrial Co., Ltd. Thermal head

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57125066A (en) * 1981-01-28 1982-08-04 Mitsubishi Electric Corp Thermal print head

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3616217A1 (en) * 1985-10-17 1987-04-23 Ant Nachrichtentech Resistance trimming device
US4782202A (en) * 1986-12-29 1988-11-01 Mitsubishi Denki Kabushiki Kaisha Method and apparatus for resistance adjustment of thick film thermal print heads
US4782202B1 (en) * 1986-12-29 1994-03-08 Mitsubishi Denki Kabushiki Kaisha
EP0342243A1 (en) * 1987-11-19 1989-11-23 Matsushita Electric Industrial Co., Ltd. Thermal head

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 6, no. 220 (M-169)5 November 1982 & JP-A-57 125 066 ( MITSUBISHI DENKI ) 4 August 1982 *

Also Published As

Publication number Publication date
EP0454133A2 (en) 1991-10-30

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