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MX9708654A - Dispositivo de proteccion de circuito con coeficiente de temperatura positivo y proceso de fabricacion del mismo. - Google Patents

Dispositivo de proteccion de circuito con coeficiente de temperatura positivo y proceso de fabricacion del mismo.

Info

Publication number
MX9708654A
MX9708654A MX9708654A MX9708654A MX9708654A MX 9708654 A MX9708654 A MX 9708654A MX 9708654 A MX9708654 A MX 9708654A MX 9708654 A MX9708654 A MX 9708654A MX 9708654 A MX9708654 A MX 9708654A
Authority
MX
Mexico
Prior art keywords
ptc
polymer
ptc element
circuit protection
coated
Prior art date
Application number
MX9708654A
Other languages
English (en)
Inventor
Philip C Shaw Jr
Donna L Randle
Michael J Weber
Michael J Hoss
Tom J Hall
Original Assignee
Littelfuse 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 Littelfuse Inc filed Critical Littelfuse Inc
Publication of MX9708654A publication Critical patent/MX9708654A/es

Links

Classifications

    • 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
    • H01C7/02—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 having positive temperature coefficient
    • 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
    • H01C7/02—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 having positive temperature coefficient
    • H01C7/027—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 having positive temperature coefficient consisting of conducting or semi-conducting material dispersed in a non-conductive organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
    • H01C1/1406—Terminals or electrodes formed on resistive elements having positive temperature coefficient
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49085—Thermally variable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y10T29/4921—Contact or terminal manufacturing by assembling plural parts with bonding

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Thermistors And Varistors (AREA)

Abstract

Dispositivos eléctricos (1) comprendiendo un elemento con coeficiente de temperatura positivo (PTC) (2) comprendiendo un polímero que tiene partículas conductoras dispersas en él. Las superficies superior e inferior del elemento PTC (2) están revestidas con una capa conductora (3, 4), respectivamente. Electrodos (5, 6) con una pluralidad de huecos se fijan a las capas conductoras (3, 4) en cada superficie del elemento PTC (2), respectivamente. Los dispositivos (1) se hacen al dispersar partículas conductoras en un polímero para formar una composicion PTC de polímero. La composicion PTC de polímero se moldea para formar un elemento PTC de forma laminar (2). Las superficies opuestas primera y segunda del elemento PTC están revestidas con una capa conductora (3, 4). Los electrodos (5, 6), caracterizados por una pluralidad de huecos, se ponen en contacto con las capas conductoras (3, 4) y se calientan mientras se aplica presion para formar un laminado. El laminado de forma después adicionalmente en una pluralidad de dispositivos de proteccion de circuito eléctrico PTC.
MX9708654A 1995-05-10 1997-11-10 Dispositivo de proteccion de circuito con coeficiente de temperatura positivo y proceso de fabricacion del mismo. MX9708654A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43796695A 1995-05-10 1995-05-10

Publications (1)

Publication Number Publication Date
MX9708654A true MX9708654A (es) 1998-06-28

Family

ID=23738667

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9708654A MX9708654A (es) 1995-05-10 1997-11-10 Dispositivo de proteccion de circuito con coeficiente de temperatura positivo y proceso de fabricacion del mismo.

Country Status (10)

Country Link
US (2) US5940958A (es)
EP (1) EP0826223A1 (es)
JP (1) JPH11505070A (es)
KR (1) KR19990008423A (es)
CN (1) CN1185230A (es)
AU (1) AU5678496A (es)
CA (1) CA2220343A1 (es)
MX (1) MX9708654A (es)
TW (1) TW300347B (es)
WO (1) WO1996036057A1 (es)

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Also Published As

Publication number Publication date
EP0826223A1 (en) 1998-03-04
US5955936A (en) 1999-09-21
JPH11505070A (ja) 1999-05-11
US5940958A (en) 1999-08-24
CN1185230A (zh) 1998-06-17
CA2220343A1 (en) 1996-11-14
WO1996036057A1 (en) 1996-11-14
TW300347B (es) 1997-03-11
KR19990008423A (ko) 1999-01-25
AU5678496A (en) 1996-11-29

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