ES276990U - Sheet substance used for electric connection - Google Patents

Sheet substance used for electric connection

Info

Publication number
ES276990U
ES276990U ES1984276990U ES276990U ES276990U ES 276990 U ES276990 U ES 276990U ES 1984276990 U ES1984276990 U ES 1984276990U ES 276990 U ES276990 U ES 276990U ES 276990 U ES276990 U ES 276990U
Authority
ES
Spain
Prior art keywords
electrically conductive
adhesive layer
article
layer
laminar
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
ES1984276990U
Other languages
Spanish (es)
Other versions
ES276990Y (en
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of ES276990U publication Critical patent/ES276990U/en
Application granted granted Critical
Publication of ES276990Y publication Critical patent/ES276990Y/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/36Assembling printed circuits with other printed circuits
    • H05K3/361Assembling flexible printed circuits with other printed circuits
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/04Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation using electrically conductive adhesives
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10613Details of electrical connections of non-printed components, e.g. special leads
    • H05K2201/10954Other details of electrical connections
    • H05K2201/10977Encapsulated connections
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/11Treatments characterised by their effect, e.g. heating, cooling, roughening
    • H05K2203/1189Pressing leads, bumps or a die through an insulating layer
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/30Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/303Surface mounted components, e.g. affixing before soldering, aligning means, spacing means
    • H05K3/305Affixing by adhesive
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/30Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/321Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Laminated Bodies (AREA)
  • Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)

Abstract

A laminar article for making electrical binding connections to a substrate comprising: an adhesive layer which softens to an adhesion condition with heating at an elevated temperature, and subsequently hardens showing a firm and substantially non-fluid condition to the environmental temperature; and a monolayer of separate and distinct electrically conductive elements, dispersed in the adhesive layer; said adhesive layer having in some zones a greater volume of adhesive material than in others, so that parts of at least one surface of the layer are recessed below other parts of the surface, whereby when the layer is heated and pressed against said base, adhesive material can be moved within the recessed portions to allow electrically conductive elements to be placed in close electrical association with the base. The laminar article of claim 1, wherein the average thickness of the adhesive layer in at least certain portions of the non-recessed areas is greater than the average thickness of the electrically conductive elements in said portions. 3. The laminar article of claim 1 or 2, wherein the electrically conductive elements have a mean thickness greater than the average thickness of the entire adhesive layer. 4. The laminar article of claims 1, 2 or 3, wherein the electrically conductive elements are on average separated by a distance equal to at least the average diameter of the elements. 5. The laminar article of any of claims 1 to 4, including a flexible backing on which the adhesive layer is carried. The laminar article of claim 5, wherein the backing is a polyester film about 50 microns thick, or less. The laminar article of claim 5, including an electrically conductive layer between the flexible backing and the adhesive layer. 8. The sheet article of claim 7, which includes a plurality of electrically conductive layers in the form of narrow parallel electrically conductive strips. 9. The laminar article of claim 8, wherein the electrically conductive elements are disposed in the adhesive layer, only on the electrically conductive strips. 10. The laminar article of claim 8, wherein at least part of the outer surface covering spaces between the conductive strips is recessed below other areas of the surface. The laminated article of any one of claims 1 to 4, useful as a transfer adhesive and adapted to form bonds on both opposing surfaces of the adhesive layer. 12. The sheet article of claim 11, wherein the surface of the adhesive layer opposite said one a surface having recessed areas, is releasably adhered to a release liner. The laminar article of any of claims 1 to 12, wherein the adhesive layer is a hot tack adhesive showing a test-tube viscosity value of at least 75 grams of force at a temperature of 40ºC or more. The sheet article of any of claims 1 to 12, wherein the adhesive layer comprises one or more acrylic polymers and 1) an acrylic ester monomer provides at least 50 mole percent of one or more acrylic polymers of the layer adhesive, 2) said one or more acrylic polymers have a glass transition temperature (tg), or a weight tg averaged from -10ºC to 80º c, and 3) said adhesive layer has a) a test tube viscosity value of less than 75 grams of force (gf) at 20º c, b) specimen viscosity values of at least 75 gf in a field of at least 50º c, whose values remain substantially constant after 30 days at 40ºC and c) a shear value of at least 25 minutes at 64º c; and said adhesive layer adheres well to a clean base by contact at any temperature within said 50ºC field. The laminated article of claim 14, wherein the adhesive layer comprises one or more acrylic copolymers of monomers, of which up to 50 per mole per 100 is at least one copolymerizable monomer selected from acrylic acid, methacrylic acid, itaconic acid, maleic acid, maleic anhydride, amides of said acids, acrylonitrile, methacrylonitrile and N-vinyl-2-pyrrolidone. 16. The laminate article of claims 14 or 15, wherein the acrylic ester monomer is selected starting from alkyl acrylates having 1-8 carbon atoms in its alkyl groups, alkyl methacrylates having 1-8 carbon atoms. Carbon in its alkyl groups, bornyl acrylates, bornyl methacrylates, 2-phenoxyethyl acrylate, 2-phenoxymethyl acrylate, the mono- and dimethyl and ethyl esters of itacoccal acid, and the mono- and dimethyl and ethyl esters of maleic acid. 17. The laminar article of claims 14, 15 or 16, wherein at least one of the compounds styrene, vinyl acetate and vinyl chloride, comprises up to 5 mole per 100 of the total monomers. 18. The sheet article of any of claims 1 to 17, wherein the adhesive layer comprises an acrylic-silane interpolymer of primarily an acrylic ester monomer reacted with organosilane in an amount of at least 0.2 parts per 100 parts by weight. Weight of the total monomer, whose interpolymer has a tg of -10ºC to 80º c. 19. The laminated material of claim 18, wherein the amount of organosilane is from 0.5 to 4 parts per 100 parts by weight of the total monomer. 20. A laminar article intended to carry out electrical connections for attachment to a base, comprising: an adhesive layer in which a monolayer of different and separate electrically conductive elements is dispersed, substantially as thick or thicker than the aforementioned layer; characterized in that a thin layer of electrically insulating material is disposed on said monolayer of electrically conductive elements, said layer of non-viscous or low-viscous insulating material being at ambient temperature, providing an electrical resistance through the layer towards the electrically conductive elements of the less one megohm in the test described herein, softening to a sticky and fluid condition with heating to an elevated temperature, and assuming cooling to ambient temperature a firm and substantially non-fluid condition, whereby the laminate is easily handled and free of conductive junction at room temperature, but which can be pressed against said base and heated to effect a junction connection in which said conductive elements extend through the insulating layer into electrical connection with the base or substrate. 21. The sheet article of claim 20, including at least one electrically conductive layer covering said monolayer of electrically conductive elements. 22. The laminar article of claim 21, further including an insulating strip supporting said electrically conductive layer, with the adhesive layer disposed in contact with the conductive layer. The laminar article of claim 22, wherein there is a plurality of electrically conductive layers covering a limited portion of said insulating band. 24. The laminar article of claim 23, wherein said plurality of electrically conductive layers comprises narrow, electrically conductive, parallel and elongated strips. 25. The sheet article of claim 23, wherein the electrically conductive adhesive layer extends only over said plurality of electrically conductive layers. 26. The laminar article of claim 23, wherein the electrically conductive elements are disposed over only said electrically conductive layers. 27. The laminar article of claim 23, wherein the electrically conductive adhesive extends over the insulating band covering both the electrically conductive layers and the spaces between the layers. 28. The laminar article of claims 25, 26 or 27, wherein said insulating material extends over the insulating band covering both the electrically conductive layers and the spaces between the layers. 29. A laminated article adapted to make electrical connections for attachment to a base, comprising an adhesive layer that softens to an adhesive condition with heating at an elevated temperature, and subsequently hardens showing a firm and substantially non-fluid condition at temperature environmental and a monolayer of different and separated electrically conductive elements dispersed in the adhesive layer; characterized in that the electrically conductive elements have an average thickness greater than the average thickness of the adhesive layer, and the upper edge of substantially each element is higher than at least part of the outer surface of the adhesive layer surrounding the element. 30. The sheet article of claim 29, wherein the average thickness of the adhesive layer is about 60 to 90 percent of the average thickness of the electrically conductive elements. The laminar article of claims 29 or 30, wherein the electrically conductive elements are on average separated by a distance equal to at least the average diameter of the elements. 32. The sheet article of any of claims 29 to 31, including a flexible backing on which the adhesive layer is carried. 33. The laminar article of claim 32, including an electrically conductive layer between the flexible backing and the adhesive layer. 34. The sheet article of claim 33, which includes a plurality of electrically conductive layers in the form of narrow, electrically conductive, parallel strips. 35.the laminar article of claim 34, wherein the outer surface of the adhesive layer is configured so that at least part of the outer surface covering spaces between conductive strips is recessed below other surface areas. 36. The sheet article of any of claims 20 to 35, wherein the adhesive layer is a heat adhesion adhesive, which exhibits a test-tube viscosity value of at least 75 grams of force at a temperature of 40ºC or more. 37. The sheet article of any of claims 20 to 36, wherein at least one of the layers of polymerizing adhesive comprises one or more acrylic polymers, and 1) an acrylic ester monomer provides at least 50 mol per 100 of one or more acrylic polymers of the adhesive layer; 2) said one or more acrylic polymers have a tg or a tg of averaged weight of -10º to 80º c, and 3) said adhesive layer has a) a test tube viscosity value of less than 75 gf at 20º c, b) values of specimen viscosity of at least 75 gf in a range of at least 50º c, whose values remain substantially constant after 30 days at 40º c, and c) a hard shear value of at least 25 minutes at 65º c; and said adhesive layer adheres well to a clean base by contact at any temperature within said 50ºC field. 38. The laminar article of claim 37, wherein the adhesive layer comprises one or more acrylic copolymers of monomers, of which up to 50 mol per 100 is at least one copolymerizable monomer selected from acrylic acid, methacrylic acid, itaconic acid, maleic acid, methacrylic acid, itaconic acid, maleic acid, maleic anhydride, amides of said acids, acrylonitrile, methacrylonitrile, and N-vinyl-2-pyrrolidone. 39. The laminar article of claims 37 or 38, wherein the acrylic ester monomer is selected from alkyl acrylates having 1-8 carbon atoms in their alkyl groups, alkyl methacrylates having 1-8 atoms of carbon. Carbon in its alkyl groups, bornyl acrylates, bornyl methacrylates, 2-phenoxyethyl acrylate, 2-phenoxymethyl acrylate, the mono- and di-methyl and ethyl esters of itaconic acid, and the mono- and di-methyl esters and ethyl maleic acid. 40. The laminar article of claims 37, 38 or 39, wherein at least one of the compounds styrene, vinyl acetate and vinyl chloride, comprises up to 5 mol per 100 of the total monomers. 41. The sheet article of any of claims 29 to 35, wherein a thin layer of electrically insulating material is disposed on said monolayer of electrically conductive elements, said layer of non-viscous or low-viscous insulating material being at ambient temperature, providing an electrical resistance through the layer towards the electrically conductive elements of at least one megohm in the test described herein, being softened to an adhesive and fluid condition with heating at an elevated temperature, and assuming upon cooling to the room temperature, a condition firm and substantially non-fluid. 42. The laminar article of claims 20 to 28 and 41, wherein the electrically conductive layer comprises the same monomeric ingredients as the electrically insulating layer. 43. Laminar item to make electrical connections for binding to a substrate. (Machine-translation by Google Translate, not legally binding)
ES1984276990U 1983-01-24 1984-01-20 LAMINARY ARTICLE TO MAKE ELECTRICAL CONNECTIONS FROM A JOINT TO A SUBSTRATE Expired ES276990Y (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46047783A 1983-01-24 1983-01-24

Publications (2)

Publication Number Publication Date
ES276990U true ES276990U (en) 1984-06-16
ES276990Y ES276990Y (en) 1985-01-16

Family

ID=23828863

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1984276990U Expired ES276990Y (en) 1983-01-24 1984-01-20 LAMINARY ARTICLE TO MAKE ELECTRICAL CONNECTIONS FROM A JOINT TO A SUBSTRATE

Country Status (5)

Country Link
JP (1) JPS59176037A (en)
BR (1) BR8400258A (en)
CH (1) CH670453A5 (en)
ES (1) ES276990Y (en)
MX (1) MX154873A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE55524B1 (en) * 1983-06-13 1990-10-10 Minnesota Mining & Mfg Electrically and thermally conductive adhesive transfer tape
JP2502881B2 (en) * 1992-02-12 1996-05-29 信越ポリマー株式会社 Heat seal connector
US8784967B2 (en) 2009-10-09 2014-07-22 Volm Companies, Inc. Open mesh material and bags made therefrom

Also Published As

Publication number Publication date
ES276990Y (en) 1985-01-16
CH670453A5 (en) 1989-06-15
MX154873A (en) 1987-12-23
JPS59176037A (en) 1984-10-05
BR8400258A (en) 1984-08-28
JPH0416336B2 (en) 1992-03-23

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Effective date: 20000601