JPH0229627Y2 - - Google Patents

Info

Publication number
JPH0229627Y2
JPH0229627Y2 JP1985170551U JP17055185U JPH0229627Y2 JP H0229627 Y2 JPH0229627 Y2 JP H0229627Y2 JP 1985170551 U JP1985170551 U JP 1985170551U JP 17055185 U JP17055185 U JP 17055185U JP H0229627 Y2 JPH0229627 Y2 JP H0229627Y2
Authority
JP
Japan
Prior art keywords
sheet
dielectric
holes
continuous porous
hole
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.)
Expired
Application number
JP1985170551U
Other languages
English (en)
Other versions
JPS6277818U (ja
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 filed Critical
Priority to JP1985170551U priority Critical patent/JPH0229627Y2/ja
Priority to US06/921,122 priority patent/US4701362A/en
Priority to DE8686308437T priority patent/DE3660700D1/de
Priority to EP86308437A priority patent/EP0222556B1/en
Publication of JPS6277818U publication Critical patent/JPS6277818U/ja
Application granted granted Critical
Publication of JPH0229627Y2 publication Critical patent/JPH0229627Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/03—Use of materials for the substrate
    • H05K1/0313—Organic insulating material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/205—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising surface fusion, and bonding of particles to form voids, e.g. sintering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
    • H01B3/445—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0045—Perforating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/045—Condition, form or state of moulded material or of the material to be shaped cellular or porous with open cells
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • Y10T428/31544—Addition polymer is perhalogenated

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mechanical Engineering (AREA)
  • Insulating Bodies (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
  • Inorganic Insulating Materials (AREA)

Description

【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、電線、ケーブル、プリント基板そ
の他の電気信号伝送部品等に用いられるシート状
形態を成した誘電体の構造に関する。
〔従来の技術〕
電子機器用の誘電体として、誘電率が低く物理
的及び化学的にも安定した性質の連続気孔質延伸
多孔性四弗化エチレン樹脂が知られている。
この樹脂は例えば特公昭51−18991号公報に記
載の方法によつて安定して製造することが出来、
気孔率が90％以上のものも製造できるがつぶれ易
く、それによつて気孔率が減少し、誘電率が大き
くなつてしまい、取り扱いにくいきらいがあつ
た。
〔考案が解決しようとする問題点〕
そこで考案者は鋭意研究した所、連続気孔質素
材に溶解貫通孔を設ければ、該貫通孔の壁部が溶
解高密度化した補強柱状部を形成する一方、その
貫通孔の中空は貫通気孔であるので、誘電率を増
大することなく連続気孔質素材に補強部を形成で
き、つぶれにくいものとなることをつきとめた。
即ちこの考案は、つぶれにくい低誘電率のシー
ト状誘電体を提供せんとするものである。
〔問題点を解決するための手段〕
この問題点を解決するためこの考案によれば、
連続気孔質素材からなり、該素材に複数の溶解貫
通孔を設けたことを特徴とするシート状誘電体を
構成する。
この構成において、素材として連続気孔質四弗
化エチレン樹脂を用いれば、物理的、化学的に安
定であるばかりか、熱的に優れているので溶解貫
通孔の加工に際しても他の部分、即ち連続気孔質
部分に悪影響を与えないので安定した製品が得ら
れる。
又、溶解貫通孔の加工手段としては、各種の熱
線、光線、ジエツト流、高温棒状体の圧入等を採
用することができる。
〔作用〕
この考案によれば、連続気孔質素材に複数の溶
解貫通孔が形成されているので、この溶解貫通孔
の壁部が充実補強柱を形成し、それが複数点在す
る結果、つぶれにくいシート状誘電体が形成さ
れ、しかも貫通孔は気孔として存在し、貫通孔間
の連続気孔質素材はそのまま維持される結果、誘
電率の上昇はほとんど無くなる。
〔実施例〕
第１図はこの考案によるシート状誘電体１の部
分的斜視図である。図において、シート状誘電体
１は、連続気孔質素材２に複数の溶解貫通孔３を
設けて形成されている。
この溶解貫通孔３には、第２図に拡大して示す
ように、素材が熱溶解によつて充実化した補強充
実壁４が貫通孔３の全長に渡つて形成されてい
る。
このように、この考案によるシート状誘電体１
によれば、連続気孔質素材２に多数設けられた溶
解貫通孔３の補強充実壁４は、分配配置された充
実補強柱を形成する所となり、該補強柱により応
力を分担支持するので、極めてつぶれにくく、し
かも誘電率の低いものとなる。
〔考案の効果〕 この考案によれば、連続気孔質素材に複数の溶
解貫通孔を設けてシート状誘電体を形成している
ので、溶解貫通孔部に補強充実壁が形成されてつ
ぶれにくくなり、その結果素材の連続気孔質が保
持される一方各貫通孔には比較的大きな容積の気
孔が形成される所となり、つぶれにくく安定して
小誘電率のシート状誘電体を提供できるものとな
る。
【図面の簡単な説明】
第１図はこの考案の一実施例によるシート状誘
電体の斜視図、第２図は第１図のＡ−Ａ矢視断面
図である。 １：シート状誘電体、２：連続気孔質素材、
３：溶解貫通孔、４：補強充実壁。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 連続気孔質素材からなり、該素材に複数の溶
    解貫通孔を設けたことを特徴とするシート状誘
    電体。 (2) 実用新案登録請求の範囲第１項に記載のシー
    ト状誘電体において、素材は連続気孔質四弗化
    エチレン樹脂であることを特徴とするシート状
    誘電体。
JP1985170551U 1985-11-06 1985-11-06 Expired JPH0229627Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1985170551U JPH0229627Y2 (ja) 1985-11-06 1985-11-06
US06/921,122 US4701362A (en) 1985-11-06 1986-10-21 Dielectric material in sheet form
DE8686308437T DE3660700D1 (en) 1985-11-06 1986-10-29 Dielectric material in sheet form made of open cell porous polymeric material
EP86308437A EP0222556B1 (en) 1985-11-06 1986-10-29 Dielectric material in sheet form made of open cell porous polymeric material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985170551U JPH0229627Y2 (ja) 1985-11-06 1985-11-06

Publications (2)

Publication Number Publication Date
JPS6277818U JPS6277818U (ja) 1987-05-19
JPH0229627Y2 true JPH0229627Y2 (ja) 1990-08-09

Family

ID=15906967

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985170551U Expired JPH0229627Y2 (ja) 1985-11-06 1985-11-06

Country Status (4)

Country Link
US (1) US4701362A (ja)
EP (1) EP0222556B1 (ja)
JP (1) JPH0229627Y2 (ja)
DE (1) DE3660700D1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4784901A (en) * 1987-04-13 1988-11-15 Japan Gore-Tex, Inc. Flexible printed circuit board base material
US5498467A (en) * 1994-07-26 1996-03-12 W. L. Gore & Associates, Inc. Process for preparing selectively conductive materials by electroless metal deposition and product made therefrom
DE19547031A1 (de) * 1995-12-15 1997-06-19 Eilentropp Kg Langgestreckte rohrförmige Hülle
US5747128A (en) * 1996-01-29 1998-05-05 W. L. Gore & Associates, Inc. Radially supported polytetrafluoroethylene vascular graft
US5731073A (en) * 1996-10-01 1998-03-24 W. L. Gore & Associates, Inc. Reusable, selectively conductive, Z-axis, elastomeric composite substrate
US6156408A (en) * 1997-08-29 2000-12-05 Motorola, Inc. Device for reworkable direct chip attachment
CN1898058A (zh) * 2004-01-23 2007-01-17 住友电气工业株式会社 形成微细孔的拉伸多孔聚四氟乙烯材料及其制备方法,和磨损加工方法
JP2009009783A (ja) * 2007-06-27 2009-01-15 Fujikura Ltd 電気絶縁体およびフレキシブルフラットケーブル

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH375767A (de) * 1959-02-24 1964-03-15 Asea Ab Isolierung für elektrische Leiter
US3194872A (en) * 1963-04-23 1965-07-13 Gen Cable Corp Paper and polyolefin power cable insulation
US3384696A (en) * 1965-01-27 1968-05-21 Du Pont Process for providing a perforated ultramicrocellular sheet
SE392582B (sv) * 1970-05-21 1977-04-04 Gore & Ass Forfarande vid framstellning av ett porost material, genom expandering och streckning av en tetrafluoretenpolymer framstelld i ett pastabildande strengsprutningsforfarande
US4559254A (en) * 1982-05-04 1985-12-17 Junkosha Company Ltd. Resin material in sheet form

Also Published As

Publication number Publication date
US4701362A (en) 1987-10-20
EP0222556B1 (en) 1988-09-07
JPS6277818U (ja) 1987-05-19
DE3660700D1 (en) 1988-10-13
EP0222556A1 (en) 1987-05-20

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