US3858147A - Non-inductive film-type cylindrical resistor - Google Patents

Non-inductive film-type cylindrical resistor Download PDF

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Publication number
US3858147A
US3858147A US00424787A US42478773A US3858147A US 3858147 A US3858147 A US 3858147A US 00424787 A US00424787 A US 00424787A US 42478773 A US42478773 A US 42478773A US 3858147 A US3858147 A US 3858147A
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US
United States
Prior art keywords
inch
film
strip
portions
substrate
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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 - Lifetime
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US00424787A
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English (en)
Inventor
R Caddock
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Individual
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Individual
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Priority to US00424787A priority Critical patent/US3858147A/en
Publication of US3858147A publication Critical patent/US3858147A/en
Application granted granted Critical
Publication of US3858147B1 publication Critical patent/US3858147B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
    • 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
    • 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
    • H01C7/22—Elongated resistive element being bent or curved, e.g. sinusoidal, helical

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Resistors (AREA)
  • Non-Adjustable Resistors (AREA)
US00424787A 1972-12-14 1973-12-14 Non-inductive film-type cylindrical resistor Expired - Lifetime US3858147A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US00424787A US3858147A (en) 1972-12-14 1973-12-14 Non-inductive film-type cylindrical resistor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31501872A 1972-12-14 1972-12-14
US00424787A US3858147A (en) 1972-12-14 1973-12-14 Non-inductive film-type cylindrical resistor

Publications (2)

Publication Number Publication Date
US3858147A true US3858147A (en) 1974-12-31
US3858147B1 US3858147B1 (enExample) 1989-12-19

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US00424787A Expired - Lifetime US3858147A (en) 1972-12-14 1973-12-14 Non-inductive film-type cylindrical resistor

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US (1) US3858147A (enExample)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159459A (en) * 1977-06-23 1979-06-26 Angstrohm Precision, Inc. Non-inductive cylindrical thin film resistor
US4268954A (en) * 1977-06-23 1981-05-26 Angstrohm Precision Incorporated Method of making non-inductive cylindrical thin film resistor
US4517497A (en) * 1983-11-02 1985-05-14 Reynolds Industries Inc. Capacitor discharge apparatus
US4623767A (en) 1984-02-16 1986-11-18 Siemens Aktiengesellschaft Disconnect switch for metal-clad, pressurized gas-insulated high-voltage switchgear with damping resistors
US4670734A (en) * 1984-11-14 1987-06-02 Caddock Richard E Method of making a compact, high-voltage, noninductive, film-type resistor
US4766410A (en) * 1986-10-14 1988-08-23 Caddock Electronics, Inc. High-voltage cylindrical film-type resistor and method of making it
US4866411A (en) * 1988-03-25 1989-09-12 Caddock Richard E Film-type cylindrical resistor, and method of making it
US5231372A (en) * 1991-10-09 1993-07-27 Caddock Electronics, Inc. Method of manufacturing high-voltage and/or high-power thick-film screen-printed cylindrical resistors having small sizes, low voltage coefficients, and low inductance, and resistor thus manufactured
US6647779B2 (en) * 2001-06-04 2003-11-18 Ngk Insulators, Ltd. Temperature sensing resistance element and thermal flow sensor using same
US20090195348A1 (en) * 2008-02-06 2009-08-06 Vishay Dale Electronics, Inc. Resistor, and method for making same

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US621561A (en) * 1899-03-21 Resistance-coil
DE704594C (de) * 1936-03-04 1941-04-02 Rosenthal Isolatoren G M B H Emaillierter Widerstand fuer Hochfrequenzzwecke
GB633418A (en) * 1946-11-09 1949-12-19 Standard Telephones Cables Ltd Improvements in or relating to electrical resistances
US2568600A (en) * 1949-08-19 1951-09-18 Siemens Ag Low-ohmic electrical resistance
US2816996A (en) * 1953-12-14 1957-12-17 Wilbur M Kohring Resistance production
US3149002A (en) * 1957-03-18 1964-09-15 Beckman Instruments Inc Method of making electrical resistance element
US3565682A (en) * 1968-04-02 1971-02-23 Du Pont Ceramic electrical resistors containing pdm02,where m is co,cr,rh or cr/rh
US3643200A (en) * 1970-06-01 1972-02-15 Henry W Brandi Hermetically sealed resistor
US3742422A (en) * 1971-11-22 1973-06-26 Cts Corp High voltage resistor

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US621561A (en) * 1899-03-21 Resistance-coil
DE704594C (de) * 1936-03-04 1941-04-02 Rosenthal Isolatoren G M B H Emaillierter Widerstand fuer Hochfrequenzzwecke
GB633418A (en) * 1946-11-09 1949-12-19 Standard Telephones Cables Ltd Improvements in or relating to electrical resistances
US2568600A (en) * 1949-08-19 1951-09-18 Siemens Ag Low-ohmic electrical resistance
US2816996A (en) * 1953-12-14 1957-12-17 Wilbur M Kohring Resistance production
US3149002A (en) * 1957-03-18 1964-09-15 Beckman Instruments Inc Method of making electrical resistance element
US3565682A (en) * 1968-04-02 1971-02-23 Du Pont Ceramic electrical resistors containing pdm02,where m is co,cr,rh or cr/rh
US3643200A (en) * 1970-06-01 1972-02-15 Henry W Brandi Hermetically sealed resistor
US3742422A (en) * 1971-11-22 1973-06-26 Cts Corp High voltage resistor

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159459A (en) * 1977-06-23 1979-06-26 Angstrohm Precision, Inc. Non-inductive cylindrical thin film resistor
US4268954A (en) * 1977-06-23 1981-05-26 Angstrohm Precision Incorporated Method of making non-inductive cylindrical thin film resistor
US4517497A (en) * 1983-11-02 1985-05-14 Reynolds Industries Inc. Capacitor discharge apparatus
US4623767A (en) 1984-02-16 1986-11-18 Siemens Aktiengesellschaft Disconnect switch for metal-clad, pressurized gas-insulated high-voltage switchgear with damping resistors
US4670734A (en) * 1984-11-14 1987-06-02 Caddock Richard E Method of making a compact, high-voltage, noninductive, film-type resistor
US4766410A (en) * 1986-10-14 1988-08-23 Caddock Electronics, Inc. High-voltage cylindrical film-type resistor and method of making it
US4866411A (en) * 1988-03-25 1989-09-12 Caddock Richard E Film-type cylindrical resistor, and method of making it
EP0501593A3 (en) * 1988-03-25 1992-11-25 Richard E. Caddock Film-type resistor
US5231372A (en) * 1991-10-09 1993-07-27 Caddock Electronics, Inc. Method of manufacturing high-voltage and/or high-power thick-film screen-printed cylindrical resistors having small sizes, low voltage coefficients, and low inductance, and resistor thus manufactured
US6647779B2 (en) * 2001-06-04 2003-11-18 Ngk Insulators, Ltd. Temperature sensing resistance element and thermal flow sensor using same
US20090195348A1 (en) * 2008-02-06 2009-08-06 Vishay Dale Electronics, Inc. Resistor, and method for making same
US7911319B2 (en) * 2008-02-06 2011-03-22 Vishay Dale Electronics, Inc. Resistor, and method for making same
US20110162197A1 (en) * 2008-02-06 2011-07-07 Vishay Dale Electronics, Inc. Cylindrical current sense resistor
US8344846B2 (en) 2008-02-06 2013-01-01 Vishay Dale Electronics, Inc. Cylindrical current sense resistor
US8730003B2 (en) 2008-02-06 2014-05-20 Vishay Dale Electronics, Inc. Resistor and method for making same
US9378872B2 (en) 2008-02-06 2016-06-28 Vishay Dale Electronics, Llc Resistor and method for making same
US10147524B2 (en) 2008-02-06 2018-12-04 Vishay Dale Electronics, Llc Resistor and method for making same

Also Published As

Publication number Publication date
US3858147B1 (enExample) 1989-12-19

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Legal Events

Date Code Title Description
RR Request for reexamination filed

Effective date: 19880226

B1 Reexamination certificate first reexamination