CA1333411C - Dispositif de protection de circuit, composite - Google Patents

Dispositif de protection de circuit, composite

Info

Publication number: CA1333411C
Authority: CA; Canada
Prior art keywords: component; ptc element; laminar; components; electrical
Prior art date: 1987-10-30
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 - Fee Related

Application number

CA 578759

Other languages

English (en)

Inventor

Shou-Mean Fang

David A. Horsma

Guillaume Peronnet

Timothy Edward Fahey

Andrew Ngan-Sing Au

William D. Carlomagno

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.)

Raychem Corp

Original Assignee

Raychem Corp

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.)

1987-10-30

Filing date

1988-09-29

Publication date

1994-12-06

1988-09-29 Application filed by Raychem Corp filed Critical Raychem Corp

1994-12-06 Application granted granted Critical

1994-12-06 Publication of CA1333411C publication Critical patent/CA1333411C/fr

2011-12-06 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000002131 composite material Substances 0.000 title description 3
239000000758 substrate Substances 0.000 claims description 51
229920001940 conductive polymer Polymers 0.000 claims description 24
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 12
229920000642 polymer Polymers 0.000 abstract description 4
230000001419 dependent effect Effects 0.000 abstract description 2
239000000306 component Substances 0.000 description 75
239000010408 film Substances 0.000 description 19
239000004020 conductor Substances 0.000 description 11
238000000034 method Methods 0.000 description 9
239000000919 ceramic Substances 0.000 description 7
150000001875 compounds Chemical class 0.000 description 7
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
239000000203 mixture Substances 0.000 description 6
229910000679 solder Inorganic materials 0.000 description 6
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
229910052799 carbon Inorganic materials 0.000 description 5
239000000976 ink Substances 0.000 description 5
229910001925 ruthenium oxide Inorganic materials 0.000 description 5
WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 5
229910052709 silver Inorganic materials 0.000 description 5
239000004332 silver Substances 0.000 description 5
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
230000008901 benefit Effects 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
230000007423 decrease Effects 0.000 description 3
238000005755 formation reaction Methods 0.000 description 3
238000010438 heat treatment Methods 0.000 description 3
229910052751 metal Inorganic materials 0.000 description 3
239000002184 metal Substances 0.000 description 3
238000000465 moulding Methods 0.000 description 3
HTSGKJQDMSTCGS-UHFFFAOYSA-N 1,4-bis(4-chlorophenyl)-2-(4-methylphenyl)sulfonylbutane-1,4-dione Chemical compound C1=CC(C)=CC=C1S(=O)(=O)C(C(=O)C=1C=CC(Cl)=CC=1)CC(=O)C1=CC=C(Cl)C=C1 HTSGKJQDMSTCGS-UHFFFAOYSA-N 0.000 description 2
229920000339 Marlex Polymers 0.000 description 2
239000003963 antioxidant agent Substances 0.000 description 2
230000003078 antioxidant effect Effects 0.000 description 2
229910052729 chemical element Inorganic materials 0.000 description 2
238000001125 extrusion Methods 0.000 description 2
238000001746 injection moulding Methods 0.000 description 2
230000001678 irradiating effect Effects 0.000 description 2
238000007639 printing Methods 0.000 description 2
238000007493 shaping process Methods 0.000 description 2
238000005245 sintering Methods 0.000 description 2
HXIQYSLFEXIOAV-UHFFFAOYSA-N 2-tert-butyl-4-(5-tert-butyl-4-hydroxy-2-methylphenyl)sulfanyl-5-methylphenol Chemical compound CC1=CC(O)=C(C(C)(C)C)C=C1SC1=CC(C(C)(C)C)=C(O)C=C1C HXIQYSLFEXIOAV-UHFFFAOYSA-N 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
239000006229 carbon black Substances 0.000 description 1
238000005266 casting Methods 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
230000008859 change Effects 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000005520 cutting process Methods 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
238000005538 encapsulation Methods 0.000 description 1
230000001747 exhibiting effect Effects 0.000 description 1
239000011888 foil Substances 0.000 description 1
238000009472 formulation Methods 0.000 description 1
229920001903 high density polyethylene Polymers 0.000 description 1
239000004700 high-density polyethylene Substances 0.000 description 1
239000011810 insulating material Substances 0.000 description 1
238000009413 insulation Methods 0.000 description 1
WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
239000000347 magnesium hydroxide Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
238000004806 packaging method and process Methods 0.000 description 1
239000003208 petroleum Substances 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
238000003825 pressing Methods 0.000 description 1
230000001012 protector Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
230000004044 response Effects 0.000 description 1
239000000126 substance Substances 0.000 description 1
230000000930 thermomechanical effect Effects 0.000 description 1
239000010409 thin film Substances 0.000 description 1
238000001721 transfer moulding Methods 0.000 description 1
238000009966 trimming Methods 0.000 description 1
238000001291 vacuum drying Methods 0.000 description 1

Landscapes

Thermistors And Varistors (AREA)

CA 578759 1987-10-30 1988-09-29 Dispositif de protection de circuit, composite Expired - Fee Related CA1333411C (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date
US11508987A	1987-10-30	1987-10-30
US12469687A	1987-11-24	1987-11-24
US124,696		1987-11-24
US115,089		1987-11-24

Publications (1)

Publication Number	Publication Date
CA1333411C true CA1333411C (fr)	1994-12-06

Family

ID=26812823

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 578759 Expired - Fee Related CA1333411C (fr)	1987-10-30	1988-09-29	Dispositif de protection de circuit, composite

Country Status (1)

Country	Link
CA (1)	CA1333411C (fr)

1988
- 1988-09-29 CA CA 578759 patent/CA1333411C/fr not_active Expired - Fee Related

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Legal Events

Date	Code	Title	Description
2010-12-06	MKLA	Lapsed