EP0143660A3 - Resistors, methods of forming said resistors, and articles comprising said resistors - Google Patents

Resistors, methods of forming said resistors, and articles comprising said resistors Download PDF

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Publication number
EP0143660A3
EP0143660A3 EP84308273A EP84308273A EP0143660A3 EP 0143660 A3 EP0143660 A3 EP 0143660A3 EP 84308273 A EP84308273 A EP 84308273A EP 84308273 A EP84308273 A EP 84308273A EP 0143660 A3 EP0143660 A3 EP 0143660A3
Authority
EP
European Patent Office
Prior art keywords
resistors
length
phenolic resin
resistor
resistor compositions
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.)
Withdrawn
Application number
EP84308273A
Other languages
German (de)
French (fr)
Other versions
EP0143660A2 (en
Inventor
Frank Wayne Martin
Samson Shahbazi
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.)
Electro Materials Corp of America
Original Assignee
Electro Materials Corp of America
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 Electro Materials Corp of America filed Critical Electro Materials Corp of America
Publication of EP0143660A2 publication Critical patent/EP0143660A2/en
Publication of EP0143660A3 publication Critical patent/EP0143660A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits
    • H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component
    • H01C17/0652—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component containing carbon or carbides
    • 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
    • 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
    • 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
    • H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits
    • H01C17/06573—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the permanent binder
    • H01C17/06586—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the permanent binder composed of organic material

Abstract

This invention concerns resistor compositions, methods of forming such resistor compositions, and articles com­ prising a substrate carrying such resistor compositions.
The resistor compositions of the invention comprise car­ bon particles embedded in a matrix formed from short chain-­ length phenolic resin, long chain-length phenolic resin, epoxy and, optionally filler.
The resistor compositions of the invention can be formed by mixing short chain-length phenolic resin, long chain-length phenolic resin, solvent, and, if present, filler with carbon particles to form a solution which is then mixed with the epoxy to form an ink. The ink is applied to a substrate to form a film thereon which is cured to evaporate solvent and to allow polymerization to occur thereby leaving the resistor compo­ sition on the substrate.
EP84308273A 1983-12-01 1984-11-29 Resistors, methods of forming said resistors, and articles comprising said resistors Withdrawn EP0143660A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55684083A 1983-12-01 1983-12-01
US556840 1983-12-01

Publications (2)

Publication Number Publication Date
EP0143660A2 EP0143660A2 (en) 1985-06-05
EP0143660A3 true EP0143660A3 (en) 1986-01-29

Family

ID=24223067

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84308273A Withdrawn EP0143660A3 (en) 1983-12-01 1984-11-29 Resistors, methods of forming said resistors, and articles comprising said resistors

Country Status (5)

Country Link
EP (1) EP0143660A3 (en)
JP (1) JPS60186001A (en)
KR (1) KR850004607A (en)
AU (1) AU576208B2 (en)
IL (1) IL73699A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4600602A (en) * 1984-07-18 1986-07-15 Rohm And Haas Company Low resistance resistor compositions
JPH03297102A (en) * 1990-04-17 1991-12-27 Cmk Corp Formation of carbon resistor in printed wiring board
US5250227A (en) * 1990-05-03 1993-10-05 National Starch And Chemical Investment Holding Corporation Electrically conductive coating composition for providing a bend sensor
KR100828585B1 (en) * 2008-01-31 2008-05-09 이문형 Manufacturing method of vinyl having charcoal

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2825702A (en) * 1953-09-03 1958-03-04 Electrofilm Inc Heating elements in film form
US3686139A (en) * 1970-03-10 1972-08-22 Globe Union Inc Resistive coating compositions and resistor elements produced therefrom

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5016095A (en) * 1973-06-19 1975-02-20

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2825702A (en) * 1953-09-03 1958-03-04 Electrofilm Inc Heating elements in film form
US3686139A (en) * 1970-03-10 1972-08-22 Globe Union Inc Resistive coating compositions and resistor elements produced therefrom

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 83, no. 2, 14th July 1975, abstract no. 20684t, Columbus, Ohio, US; & JP - A - 75 16 095 (TOKYO SHIBAURA ELECTRIC CO., LTD.) 20-02-1975 *

Also Published As

Publication number Publication date
AU3606584A (en) 1985-06-06
AU576208B2 (en) 1988-08-18
JPS60186001A (en) 1985-09-21
IL73699A0 (en) 1985-02-28
IL73699A (en) 1988-07-31
KR850004607A (en) 1985-07-25
EP0143660A2 (en) 1985-06-05

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

PUAL Search report despatched

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17P Request for examination filed

Effective date: 19851010

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

17Q First examination report despatched

Effective date: 19870922

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19880406

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SHAHBAZI, SAMSON

Inventor name: MARTIN, FRANK WAYNE