GB2088644B - Electrical resistor - Google Patents

Electrical resistor

Info

Publication number
GB2088644B
GB2088644B GB8038769A GB8038769A GB2088644B GB 2088644 B GB2088644 B GB 2088644B GB 8038769 A GB8038769 A GB 8038769A GB 8038769 A GB8038769 A GB 8038769A GB 2088644 B GB2088644 B GB 2088644B
Authority
GB
United Kingdom
Prior art keywords
electrical resistor
resistor
electrical
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.)
Expired
Application number
GB8038769A
Other versions
GB2088644A (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.)
Welwyn Electric Ltd
Original Assignee
Welwyn Electric 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 Welwyn Electric Ltd filed Critical Welwyn Electric Ltd
Priority to GB8038769A priority Critical patent/GB2088644B/en
Publication of GB2088644A publication Critical patent/GB2088644A/en
Application granted granted Critical
Publication of GB2088644B publication Critical patent/GB2088644B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/003—Thick film resistors
    • 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
    • H01C17/24—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material
    • H01C17/245—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material by mechanical means, e.g. sand blasting, cutting, ultrasonic treatment

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
GB8038769A 1980-12-03 1980-12-03 Electrical resistor Expired GB2088644B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8038769A GB2088644B (en) 1980-12-03 1980-12-03 Electrical resistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8038769A GB2088644B (en) 1980-12-03 1980-12-03 Electrical resistor

Publications (2)

Publication Number Publication Date
GB2088644A GB2088644A (en) 1982-06-09
GB2088644B true GB2088644B (en) 1983-09-21

Family

ID=10517738

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8038769A Expired GB2088644B (en) 1980-12-03 1980-12-03 Electrical resistor

Country Status (1)

Country Link
GB (1) GB2088644B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503418A (en) * 1983-11-07 1985-03-05 Northern Telecom Limited Thick film resistor
US4999731A (en) * 1986-08-22 1991-03-12 Northern Telecom Limited Surge protector for telecommunications systems
US5057964A (en) * 1986-12-17 1991-10-15 Northern Telecom Limited Surge protector for telecommunications terminals
US5256836A (en) * 1989-06-09 1993-10-26 Toshiba Lighting & Technology Corporation Thick film hybrid circuit board device and method of manufacturing the same
US5287083A (en) * 1992-03-30 1994-02-15 Dale Electronics, Inc. Bulk metal chip resistor
DE19514989A1 (en) * 1995-04-24 1996-10-31 Rheinmetall Ind Ag Trimming process for electrical thin film resistors

Also Published As

Publication number Publication date
GB2088644A (en) 1982-06-09

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961203