DE2130444A1 - Verfahren zum Trimmen von Kondensatoren - Google Patents

Verfahren zum Trimmen von Kondensatoren

Info

Publication number
DE2130444A1
DE2130444A1 DE19712130444 DE2130444A DE2130444A1 DE 2130444 A1 DE2130444 A1 DE 2130444A1 DE 19712130444 DE19712130444 DE 19712130444 DE 2130444 A DE2130444 A DE 2130444A DE 2130444 A1 DE2130444 A1 DE 2130444A1
Authority
DE
Germany
Prior art keywords
capacitor
electrode
laser beam
voltage
trimming
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.)
Pending
Application number
DE19712130444
Other languages
German (de)
English (en)
Inventor
Lumley Robert Miller
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 Inc
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
Publication of DE2130444A1 publication Critical patent/DE2130444A1/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Power Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
DE19712130444 1970-06-25 1971-06-19 Verfahren zum Trimmen von Kondensatoren Pending DE2130444A1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE2130444A1 true DE2130444A1 (de) 1971-12-30

Family

ID=21960627

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712130444 Pending DE2130444A1 (de) 1970-06-25 1971-06-19 Verfahren zum Trimmen von Kondensatoren

Country Status (7)

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

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 (fr) * 1980-12-31 1982-07-02 Europ Composants Electron Procede d'ajustement de la capacite d'un condensateur a film dielectrique metallise, et dispositif de mise en oeuvre d'un tel procede
GB2143759B (en) * 1983-01-24 1986-12-10 Ford Motor Co Method of laser soldering
JPS619517A (ja) * 1984-06-22 1986-01-17 Mitsubishi Electric Corp 回転体機械部品の表面改質装置
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 (fr) * 1991-07-26 1995-11-17 Aerospatiale Procede de decoupe par faisceau laser d'un materiau recouvrant un substrat et dispositifs pour sa mise en óoeuvre.
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
US20040194691A1 (en) * 2001-07-18 2004-10-07 George Steven M Method of depositing an inorganic film on an organic polymer
KR101056233B1 (ko) * 2010-03-16 2011-08-11 삼성모바일디스플레이주식회사 화소 및 이를 구비한 유기전계발광 표시장치

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
NL7108428A (enExample) 1971-12-28
US3597579A (en) 1971-08-03
CA939763A (en) 1974-01-08
SE345034B (enExample) 1972-05-08
BE768898A (fr) 1971-11-03
FR2099897A5 (enExample) 1972-03-17

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