CA891187A - Thin film hybrid circuit resistor trimmer - Google Patents

Thin film hybrid circuit resistor trimmer

Info

Publication number
CA891187A
CA891187A CA891187A CA891187DA CA891187A CA 891187 A CA891187 A CA 891187A CA 891187 A CA891187 A CA 891187A CA 891187D A CA891187D A CA 891187DA CA 891187 A CA891187 A CA 891187A
Authority
CA
Canada
Prior art keywords
thin film
hybrid circuit
circuit resistor
film hybrid
resistor trimmer
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
CA891187A
Inventor
D. Rosenthal Edward
Graham Samuel
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.)
CMC Electronics Inc
Original Assignee
Edward D Rosenthal
Canadian Marconi Co
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 Edward D Rosenthal, Canadian Marconi Co filed Critical Edward D Rosenthal
Application granted granted Critical
Publication of CA891187A publication Critical patent/CA891187A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01C17/2408—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material by pulsed voltage erosion, e.g. spark erosion
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
CA891187A 1968-05-29 1968-05-29 Thin film hybrid circuit resistor trimmer Expired CA891187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA21268 1968-05-29

Publications (1)

Publication Number Publication Date
CA891187A true CA891187A (en) 1972-01-18

Family

ID=4084266

Family Applications (1)

Application Number Title Priority Date Filing Date
CA891187A Expired CA891187A (en) 1968-05-29 1968-05-29 Thin film hybrid circuit resistor trimmer

Country Status (2)

Country Link
US (1) US3585338A (en)
CA (1) CA891187A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH569356A5 (en) * 1973-04-13 1975-11-14 Siemens Ag
US3895208A (en) * 1973-09-28 1975-07-15 Siemens Ag Method and device for the production of metal-free paths on metalized insulator foils
US4381441A (en) * 1980-10-30 1983-04-26 Western Electric Company, Inc. Methods of and apparatus for trimming film resistors
US4705931A (en) * 1986-09-19 1987-11-10 Adm Tronics Unlimited, Inc. System for trimming microelectronic resistors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2248057A (en) * 1939-01-25 1941-07-08 Bell Telephone Labor Inc Electrical cutting device
US2710325A (en) * 1954-06-09 1955-06-07 Polytechnic Res & Dev Company Method and apparatus for making electric resistors
US2835784A (en) * 1954-07-21 1958-05-20 Firth Sterling Inc Spark machining apparatus
US3119919A (en) * 1961-01-30 1964-01-28 Daystrom Inc Apparatus for the removal of portions of deposited metal films

Also Published As

Publication number Publication date
US3585338A (en) 1971-06-15

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