CA939763A - Method of trimming capacitors - Google Patents

Method of trimming capacitors

Info

Publication number
CA939763A
CA939763A CA103,079A CA103079A CA939763A CA 939763 A CA939763 A CA 939763A CA 103079 A CA103079 A CA 103079A CA 939763 A CA939763 A CA 939763A
Authority
CA
Canada
Prior art keywords
trimming capacitors
trimming
capacitors
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
CA103,079A
Other versions
CA103079S (en
Inventor
Robert M. Lumley
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA939763A publication Critical patent/CA939763A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/255—Means for correcting the capacitance value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/073—Shaping the laser spot
    • B23K26/0738—Shaping the laser spot into a linear shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/351—Working by laser beam, e.g. welding, cutting or boring for trimming or tuning of electrical components
CA103,079A 1970-06-25 1971-01-19 Method of trimming capacitors Expired CA939763A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4958870A 1970-06-25 1970-06-25

Publications (1)

Publication Number Publication Date
CA939763A true CA939763A (en) 1974-01-08

Family

ID=21960627

Family Applications (1)

Application Number Title Priority Date Filing Date
CA103,079A Expired CA939763A (en) 1970-06-25 1971-01-19 Method of trimming capacitors

Country Status (7)

Country Link
US (1) US3597579A (en)
BE (1) BE768898A (en)
CA (1) CA939763A (en)
DE (1) DE2130444A1 (en)
FR (1) FR2099897A5 (en)
NL (1) NL7108428A (en)
SE (1) SE345034B (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3914836A (en) * 1974-06-21 1975-10-28 Us Army Method for processing quartz crystal resonators
US3941973A (en) * 1974-06-26 1976-03-02 Raytheon Company Laser material removal apparatus
US4150278A (en) * 1975-09-15 1979-04-17 Western Electric Company, Incorporated Methods of tuning inductive device by beam-machine altering a central air gap thereof
US4172741A (en) * 1977-09-06 1979-10-30 National Semiconductor Corporation Method for laser trimming of bi-FET circuits
US4238661A (en) * 1978-10-02 1980-12-09 The Bendix Corporation Pressure-sensing capacitor and method of trimming same
US4238662A (en) * 1978-10-02 1980-12-09 The Bendix Corporation Pressure-sensing capacitor and method of trimming same
US4271347A (en) * 1978-10-18 1981-06-02 The United States Of America As Represented By The Secretary Of The Treasury Method and apparatus for accelerating chemical reactions using a spread beam deflector with single or multiple reflectors
US4240127A (en) * 1978-12-28 1980-12-16 Western Electric Company, Inc. Metallized film capacitor and method of manufacture
US4249060A (en) * 1979-01-08 1981-02-03 Leigh Colby Method for intraorally welding dental appliances
US4549063A (en) * 1979-04-09 1985-10-22 Avery International Corporation Method for producing labels having discontinuous score lines in the backing
US4338506A (en) * 1979-09-07 1982-07-06 Motorola, Inc. Method of trimming thick film capacitor
US4291225A (en) * 1979-09-14 1981-09-22 Burroughs Corporation Molded plastic photo-optical keyboard
FR2497394A1 (en) * 1980-12-31 1982-07-02 Europ Composants Electron Capacitance adjustment process in multilayer capacitor mfr. - uses capacitance meter and reference standard to generate electrical signal controlling laser based trimming tool
DE3390451C2 (en) * 1983-01-24 1989-05-11 Ford Werke Ag Laser laser process
JPS619517A (en) * 1984-06-22 1986-01-17 Mitsubishi Electric Corp Surface reforming apparatus of mechanical parts for rotator
US4691091A (en) * 1985-12-31 1987-09-01 At&T Technologies Direct writing of conductive patterns
US4916285A (en) * 1987-12-02 1990-04-10 Swiss Aluminium Ltd. Capacitor foil of aluminum or an aluminum alloy
US4962294A (en) * 1989-03-14 1990-10-09 International Business Machines Corporation Method and apparatus for causing an open circuit in a conductive line
US4942285A (en) * 1989-11-06 1990-07-17 Calsonic Corporation Method for welding metal honeycomb carrier
FR2679477B1 (en) * 1991-07-26 1995-11-17 Aerospatiale LASER BEAM CUTTING METHOD OF A MATERIAL COVERING A SUBSTRATE AND DEVICES FOR IMPLEMENTING SAME.
US5345361A (en) * 1992-08-24 1994-09-06 Murata Erie North America, Inc. Shorted trimmable composite multilayer capacitor and method
US5347423A (en) * 1992-08-24 1994-09-13 Murata Erie North America, Inc. Trimmable composite multilayer capacitor and method
CA2452656C (en) * 2001-07-18 2010-04-13 The Regents Of The University Of Colorado A method of depositing an inorganic film on an organic polymer
KR101056233B1 (en) * 2010-03-16 2011-08-11 삼성모바일디스플레이주식회사 Pixel and organic light emitting display device having the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769889A (en) * 1951-06-25 1956-11-06 Cornell Dubilier Electric Manufacture of electrical capacitors

Also Published As

Publication number Publication date
US3597579A (en) 1971-08-03
BE768898A (en) 1971-11-03
NL7108428A (en) 1971-12-28
SE345034B (en) 1972-05-08
FR2099897A5 (en) 1972-03-17
DE2130444A1 (en) 1971-12-30

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