EP0399295A3 - Resistive paste able to make electrical resistive layer and resistive layer fabricated with it - Google Patents

Resistive paste able to make electrical resistive layer and resistive layer fabricated with it Download PDF

Info

Publication number
EP0399295A3
EP0399295A3 EP19900108782 EP90108782A EP0399295A3 EP 0399295 A3 EP0399295 A3 EP 0399295A3 EP 19900108782 EP19900108782 EP 19900108782 EP 90108782 A EP90108782 A EP 90108782A EP 0399295 A3 EP0399295 A3 EP 0399295A3
Authority
EP
European Patent Office
Prior art keywords
resistive
resistive layer
paste
make electrical
fabricated
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.)
Granted
Application number
EP19900108782
Other languages
German (de)
French (fr)
Other versions
EP0399295A2 (en
EP0399295B1 (en
Inventor
Peter Dipl.-Chem. Ambros
Walter Budig
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.)
Preh GmbH
Original Assignee
Preh GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6381316&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0399295(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Preh GmbH filed Critical Preh GmbH
Publication of EP0399295A2 publication Critical patent/EP0399295A2/en
Publication of EP0399295A3 publication Critical patent/EP0399295A3/en
Application granted granted Critical
Publication of EP0399295B1 publication Critical patent/EP0399295B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01C10/00—Adjustable resistors
    • H01C10/30—Adjustable resistors the contact sliding along resistive element
    • H01C10/305—Adjustable resistors the contact sliding along resistive element consisting of a thick film
    • H01C10/306—Polymer thick film, i.e. PTF

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Adjustable Resistors (AREA)
  • Non-Adjustable Resistors (AREA)
  • Conductive Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)

Abstract

The invention proposes resistive paste composed of a polymeric binder and a glassy carbon as electrically conducting pigment. A resistive layer produced with the resistive paste according to the invention is distinguished by a high abrasion resistance and improved resistance to environmental factors.
EP90108782A 1989-05-24 1990-05-10 Resistive paste able to make electrical resistive layer and resistive layer fabricated with it Expired - Lifetime EP0399295B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3916921A DE3916921C1 (en) 1989-05-24 1989-05-24
DE3916921 1989-05-24

Publications (3)

Publication Number Publication Date
EP0399295A2 EP0399295A2 (en) 1990-11-28
EP0399295A3 true EP0399295A3 (en) 1991-03-20
EP0399295B1 EP0399295B1 (en) 1994-08-31

Family

ID=6381316

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90108782A Expired - Lifetime EP0399295B1 (en) 1989-05-24 1990-05-10 Resistive paste able to make electrical resistive layer and resistive layer fabricated with it

Country Status (6)

Country Link
US (1) US5219494A (en)
EP (1) EP0399295B1 (en)
JP (1) JPH0311602A (en)
AT (1) ATE110878T1 (en)
DE (2) DE3916921C1 (en)
ES (1) ES2062159T3 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3942799A1 (en) * 1989-12-23 1991-06-27 Bosch Gmbh Robert METHOD FOR PRODUCING AN ABRASION-RESISTANT LAYER
US5111178A (en) * 1990-06-15 1992-05-05 Bourns, Inc. Electrically conductive polymer thick film of improved wear characteristics and extended life
EP0634756B1 (en) * 1993-07-16 1998-09-30 Kabushiki Kaisha Toshiba Metal oxide resistor, power resistor, and power circuit breaker
JP3372636B2 (en) * 1994-03-16 2003-02-04 アルプス電気株式会社 Manufacturing method of resistive substrate
DE19526313C2 (en) * 1995-07-19 2000-01-27 Preh Elektro Feinmechanik Diode socket for LED with plug connection and series resistor and process for their production
DE19714561C1 (en) * 1997-04-09 1998-10-22 Preh Elektro Feinmechanik Process for the production of powdery, glassy carbon, resistance paste with this carbon and use of this resistance paste as a resistance layer
DE19821529C2 (en) * 1998-05-13 2001-05-17 Peter Hille Abrasion-proof electric grinder for potentiometers and process for its manufacture
JP3587730B2 (en) * 1999-05-25 2004-11-10 アルプス電気株式会社 Resistor and variable resistor using the resistor
JP3699864B2 (en) 1999-08-02 2005-09-28 アルプス電気株式会社 Conductive resin composition and encoder switch using the same
US6630080B2 (en) 2000-02-25 2003-10-07 Alps Electric Co., Ltd. Conductive resin composition and encoder switch using the same
DE10116648B4 (en) * 2001-04-04 2006-01-26 Preh Gmbh Resistance paste and use of this resistor paste as a resistance layer
US20040113127A1 (en) * 2002-12-17 2004-06-17 Min Gary Yonggang Resistor compositions having a substantially neutral temperature coefficient of resistance and methods and compositions relating thereto
US7112755B2 (en) * 2003-05-21 2006-09-26 Nitta Corporation Pressure-sensitive sensor
EP2397524B1 (en) * 2009-02-16 2019-10-02 Murata Manufacturing Co., Ltd. Connecting method using a conductive resin composition, connection structure, and electronic part

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2405449A (en) * 1943-12-31 1946-08-06 Sprague Electric Co Electrical resistance element
US3686139A (en) * 1970-03-10 1972-08-22 Globe Union Inc Resistive coating compositions and resistor elements produced therefrom
US3930822A (en) * 1975-01-27 1976-01-06 Corning Glass Works Process for making carbon-containing glass resistors
EP0223355A1 (en) * 1985-11-11 1987-05-27 Nitta Industries Corporation Method of manufacturing a pressure-sensitive conductive elastomer compound

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930821A (en) * 1975-01-27 1976-01-06 Corning Glass Works Process for making carbon-containing glass resistors
DE2718380C2 (en) * 1977-04-26 1985-01-17 GOK Regler- und Armaturen GmbH & Co KG, 5200 Siegburg Fuel oil filter
DE2812497C3 (en) * 1978-03-22 1982-03-11 Preh, Elektrofeinmechanische Werke, Jakob Preh, Nachf. Gmbh & Co, 8740 Bad Neustadt Printed circuit
US4271045A (en) * 1978-06-13 1981-06-02 Steigerwald Wolf Erhard Electrically conductive layer and method for its production
DE3148680C2 (en) * 1981-12-09 1983-11-03 Preh, Elektrofeinmechanische Werke, Jakob Preh, Nachf. Gmbh & Co, 8740 Bad Neustadt Electric resistance paste
ATE21291T1 (en) * 1982-11-25 1986-08-15 Preh Elektro Feinmechanik DEVICE FOR DETECTING AN X-Y POSITION.
DE3246412A1 (en) * 1982-12-15 1984-06-20 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt LIQUID SENSITIVE ELEMENT
DD213782A1 (en) * 1983-03-07 1984-09-19 Elektronische Bauelemente Veb RESISTANT MATERIAL FOR THE MANUFACTURE OF POLYMERIC COATING SYSTEMS
EP0121781B1 (en) * 1983-03-09 1989-04-12 Kao Corporation Process for manufacturing glasslike carbon material
US4600602A (en) * 1984-07-18 1986-07-15 Rohm And Haas Company Low resistance resistor compositions
DE3638130A1 (en) * 1986-11-08 1988-05-19 Preh Elektro Feinmechanik ELECTRICAL CONTROL OR RESISTANCE SPASTE
US5111178A (en) * 1990-06-15 1992-05-05 Bourns, Inc. Electrically conductive polymer thick film of improved wear characteristics and extended life

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2405449A (en) * 1943-12-31 1946-08-06 Sprague Electric Co Electrical resistance element
US3686139A (en) * 1970-03-10 1972-08-22 Globe Union Inc Resistive coating compositions and resistor elements produced therefrom
US3930822A (en) * 1975-01-27 1976-01-06 Corning Glass Works Process for making carbon-containing glass resistors
EP0223355A1 (en) * 1985-11-11 1987-05-27 Nitta Industries Corporation Method of manufacturing a pressure-sensitive conductive elastomer compound

Also Published As

Publication number Publication date
JPH0311602A (en) 1991-01-18
EP0399295A2 (en) 1990-11-28
ES2062159T3 (en) 1994-12-16
DE59006946D1 (en) 1994-10-06
EP0399295B1 (en) 1994-08-31
DE3916921C1 (en) 1990-10-11
ATE110878T1 (en) 1994-09-15
US5219494A (en) 1993-06-15

Similar Documents

Publication Publication Date Title
EP0399295A3 (en) Resistive paste able to make electrical resistive layer and resistive layer fabricated with it
NZ220963A (en) Voltage dependent resistor matrix formed by conductive and semiconductive particles with insulating coating
AU534374B2 (en) Electrically conductive polymer composition
HK169495A (en) Light-emitting diode with an electrically conductive window layer
EP0209394A3 (en) Conductive coatings for elongated conductors
AU5536886A (en) Graphite or glassy carbon electrode with modified surface
ES8604631A1 (en) Process for preparing a tin oxide pigment doped with antimony oxide, having improved electrical conductivity properties, and conductive white or coloured paints containing it and useful for eliminating electrostatic charges.
SE9001840D0 (en) CARBON BLACK HAVING A HIGH SPECIFIC SURFACE AREA
EP0338857A3 (en) Electrode
DE69013078D1 (en) Electrically conductive polymer and an electroconductive material containing it.
DE69415428D1 (en) Electrical connection socket for use with short-circuit spring contacts
AU6018186A (en) Manufacture of low ash, electrically conductive carbon black
JPS55160068A (en) Electroconductive white coating
DK0995199T3 (en) Electrical device, electrical device or lighting device
DE3865454D1 (en) ROOM HEATING ELEMENT CONSISTING OF A CERAMIC MOLDED BODY WITH AN ELECTRIC RESISTANT COATING, IN PARTICULAR IN THE FORM OF A CERAMIC PLATE.
AU572013B2 (en) Anti-reducing semi conducting porcelain with a positive temperature coefficient of resistance
EP0435044A3 (en) Half-product with electrically conductive plastic layers
EP0031444A3 (en) Electrically conductive organic thermoplastic composition
HK1021613A1 (en) Conductive polymer composition
DE3568365D1 (en) Conducting table or floor covering
AU2767089A (en) Electrically conductive resistance heating element
AU5246386A (en) Coating wires with electrically conductive material
NZ210422A (en) Plunger depressed contacts connect with concentric conductive rings
JPS5758180A (en) Electrically connecting method for recording body
DE68910573D1 (en) Electrically conductive paint composition.

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

Kind code of ref document: A2

Designated state(s): AT DE ES FR GB IT SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT DE ES FR GB IT SE

17P Request for examination filed

Effective date: 19910417

17Q First examination report despatched

Effective date: 19931126

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT DE ES FR GB IT SE

REF Corresponds to:

Ref document number: 110878

Country of ref document: AT

Date of ref document: 19940915

Kind code of ref document: T

ET Fr: translation filed
REF Corresponds to:

Ref document number: 59006946

Country of ref document: DE

Date of ref document: 19941006

ITF It: translation for a ep patent filed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2062159

Country of ref document: ES

Kind code of ref document: T3

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19941129

EAL Se: european patent in force in sweden

Ref document number: 90108782.5

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

26 Opposition filed

Opponent name: ROBERT BOSCH GMBH

Effective date: 19950531

PLBO Opposition rejected

Free format text: ORIGINAL CODE: EPIDOS REJO

PLBN Opposition rejected

Free format text: ORIGINAL CODE: 0009273

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

Free format text: STATUS: OPPOSITION REJECTED

27O Opposition rejected

Effective date: 19960829

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20030505

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20030506

Year of fee payment: 14

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040510

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040511

EUG Se: european patent has lapsed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20090521

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20090513

Year of fee payment: 20

Ref country code: IT

Payment date: 20090527

Year of fee payment: 20

Ref country code: DE

Payment date: 20090525

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20090522

Year of fee payment: 20

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20100509

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20100511

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20100511

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20100509

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20100510