JPS5231536B1 - - Google Patents

Info

Publication number
JPS5231536B1
JPS5231536B1 JP40053129A JP5312965A JPS5231536B1 JP S5231536 B1 JPS5231536 B1 JP S5231536B1 JP 40053129 A JP40053129 A JP 40053129A JP 5312965 A JP5312965 A JP 5312965A JP S5231536 B1 JPS5231536 B1 JP S5231536B1
Authority
JP
Japan
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
JP40053129A
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 filed Critical
Publication of JPS5231536B1 publication Critical patent/JPS5231536B1/ja
Pending 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
    • H01C17/26—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by converting resistive material
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/12—Process control or regulation
    • 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
    • H01C17/262—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by converting resistive material by electrolytic treatment, e.g. anodic oxydation

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
JP40053129A 1964-09-01 1965-09-01 Pending JPS5231536B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US393705A US3341444A (en) 1964-09-01 1964-09-01 Anodization control circuits

Publications (1)

Publication Number Publication Date
JPS5231536B1 true JPS5231536B1 (ja) 1977-08-16

Family

ID=23555895

Family Applications (1)

Application Number Title Priority Date Filing Date
JP40053129A Pending JPS5231536B1 (ja) 1964-09-01 1965-09-01

Country Status (4)

Country Link
US (1) US3341444A (ja)
JP (1) JPS5231536B1 (ja)
DE (1) DE1590994A1 (ja)
FR (1) FR1445399A (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3365379A (en) * 1965-04-13 1968-01-23 Lockheed Aircraft Corp Method and apparatus for controlling the anodization of film resistors
US3496087A (en) * 1966-06-21 1970-02-17 M & T Chemicals Inc Control circuit for electrodeposition system using silicon controlling rectifiers
US3520783A (en) * 1967-02-10 1970-07-14 Northern Electric Co Method of adjusting a resistor by anodizing
US3492544A (en) * 1967-10-19 1970-01-27 Western Electric Co Pulsing method for electrochemically forming a film on a metal and product of the method
US3539459A (en) * 1968-12-06 1970-11-10 Western Electric Co Methods and apparatus for anodizing serial resistances,in particular,a resistance pad attenuator
US3674659A (en) * 1970-08-17 1972-07-04 Northern Electric Co Thin-film resistor anodization
US3956081A (en) * 1973-04-09 1976-05-11 General Radio Method of high speed resistor trimming
US6730984B1 (en) * 2000-11-14 2004-05-04 International Business Machines Corporation Increasing an electrical resistance of a resistor by oxidation or nitridization

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148129A (en) * 1959-10-12 1964-09-08 Bell Telephone Labor Inc Metal film resistors
US3254014A (en) * 1962-06-27 1966-05-31 Western Electric Co Anodizing apparatus

Also Published As

Publication number Publication date
DE1590994A1 (de) 1970-05-14
FR1445399A (fr) 1966-07-08
US3341444A (en) 1967-09-12

Similar Documents

Publication Publication Date Title
JPS5231536B1 (ja)
BE642437A (ja)
BE642470A (ja)
BE661191A (ja)
BE661153A (ja)
BE661114A (ja)
BE660860A (ja)
BE660718A (ja)
BE660251A (ja)
BE659787A (ja)
BE659640A (ja)
BE659058A (ja)
BE659016A (ja)
BE658997A (ja)
BE658615A (ja)
BE658378A (ja)
BE658189A (ja)
BE657948A (ja)
BE656160A (ja)
BE655796A (ja)
BE643021A (ja)
BE642974A (ja)
BE642797A (ja)
BE642770A (ja)
BE642741A (ja)