[특허]Technique for forming resin-impregnated fiberglass sheets

[미국특허] Technique for forming resin-impregnated fiberglass sheets 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05D-001/38 B05D-003/02
출원번호	US-0890413 (1997-07-09)
발명자 / 주소	Appelt Bernd Karl Fotorny William Thomas Japp Robert Maynard Papathomas Kostantinos Poliks Mark David
출원인 / 주소	International Business Machines Corporation
대리인 / 주소	Calfee, Halter & Griswold LLP
인용정보	피인용 횟수 : 8 인용 특허 : 21

초록 ▼

A method for coating cloth especially fiberglass sheets with a resin and resulting structure is provided. The coating is performed in two steps. In the first step, essentially all of the strands of the fiberglass are coated with the resin solvent mixture while maintaining the interstices or openings essentially free of the solvent mixture. This first coating is then partially cured to the extent that it will not redissolve in a second coating of the same resin solution. The coated fiberglass with partially cured resin thereon is then given a second coating of the same resin mixture which coats the first coating and fills in the interstices between the fibers. This second coating is then partially cured, which advances the cure of the first coating and results in an impregnated fiberglass cloth structure for use as sticker sheets. During lamination, the first coating acts like an impenetrable insulating sheet, preventing resin displacement and, therefore, preventing glass fiber contact with the conductive planes. The second coating is fluid enough to fill in spaces in the planes and to form the adhesive bond to cores and conductive layers.

대표청구항 ▼

[ What is claimed is:] [1.] A method of forming a layer of resin-impregnated cloth comprising the steps of;providing a sheet of cloth having fiber strands therein separated by openings,providing a first resin/solvent mixture wherein said resin is a thermosetting resin which can be partially cured and thereafter fully cured, and which first resin in the partially-cured state during further curing will form an integral bond with a layer of a second resin during curing of said second thermosetting resin,coating said sheet of cloth with said first resin/solvent mixture to coat essentially all of the strands with said first resin/solvent mixture while maintaining essentially all of said openings essentially free of said first resin/solvent mixture,sufficiently beyond B stage cure so that it will not dissolve in a subsequent coating of the same uncured resin,partially curing said first resin on said strands,providing a second resin/solvent mixture wherein said second resin is the same resin as the resin of said first resin/solvent mixture,coating said sheet of cloth having the partially-cured resin therein with said second resin/solvent mixture to cover said coated strands and to fill essentially all said spaces between said strands with said second resin/solvent mixture, andpartially curing said resin of said second resin/solvent mixture to a B stage cure and further curing said resin of said first resin/solvent mixture to provide a coated sheet with a transition zone between said first and second coatings that is smooth substantially continuous with crosslinking between said first and second coatings providing an essentially continuous polymer of two layers,whereby an essentially non-porous, partially-cured, resin-impregnated sheet of cloth is provided.

이 특허에 인용된 특허 (21) 인용/피인용 타임라인 분석

Christie Frederick R. (Endwell NY) Daley Lawrence R. (Binghamton NY), Bismaleimide triazine composition.
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Kishi Hajime (Iyo-gun JPX) Odagiri Nobuyuki (Iyo-gun JPX) Tazaki Tokuo (Iyo-gun JPX) Nagata Hideo (Iyo-gun JPX) Terashita Takeshi (Iyo-gun JPX) Nishimura Akira (Iyo-gun JPX) Kato Hiroyasu (Otsu JPX), Cloth prepreg, process for producing the same and reinforcing fabric.
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Shaffer ; Robert C., Coating for fibrous carbon material in boron containing composites.
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Paul Charles W. (Madison NJ) Mackey Joseph E. (East Hanover NJ), Composites via in-situ polymerization of composite matrices using a polymerization initiator bound to a fiber coating.
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Cizmecioglu Muzaffer (Pasadena CA), Composites with improved fiber-resin interfacial adhesion.
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Yokota Michael J. (San Diego CA) Gilchrist Edward M. (San Diego CA) Cox Douglas S. (San Diego CA) Hall Ivan K. (San Diego CA) Gagliani John (San Diego CA) Giesy Ronald K. (Katy TX), Continuous processing/in-situ curing of incrementally applied resin matrix composite materials.
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Olson Larry D. (Viroqua WI) Burkhardt Maureen D. (Onalaska WI) Johnson Henry R. (West Salem WI), Laminate board possessing improved dimensional stability.
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Wu Shy-Hsien (Horseheads NY), Laminated synthetic mica articles.
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Hardy Leslie C. (St. Paul MN) Thompson Wendy L. (Roseville MN), Latent, thermal cure accelerators for epoxy-aromatic amine resins having lowered peak exotherms.
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Hayashi Shigetoshi (Osaka JPX) Mino Takeyasu (Osaka JPX) Yagi Yasuhiro (Osaka JPX) Harada Mitsuaki (Osaka JPX), Method for impregnating a fibrous base material with a substantially air-free varnish.
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Alpaugh Warren Alan (Chenango Forks NY) Summa William Joseph (Endwell NY), Method for producing a resin rich epoxy prepreg and laminate.
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Smith W. Novis (Philadelphia PA) Livesay Mark (El Cajon CA), Method of forming a primary, wet-to-wet resin bond between at least two laminates, and a product by the process thereof.
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White Charles S. (35815 42nd St. ; East Palmdale CA 93550), Method of making a bondable low friction thread.
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Trewiler Carl E. (Coshocton OH), Method of making drill back-up material for small bore drilling of circuit boards.
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Kondo Terutake (Shimodate JA) Yokozawa Syunya (Shimodate JA), Method of making laminate sheets for printed circuit boards.
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Zimics Bela (Tobelbad ATX) Orthofer Willibald (Wundschuh ATX), Prepregs comprising a fibrous base with a first coating of C-stage thermosetting resin and an outer second coating of B-.
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Tait Robert A. (Houston TX) Stelling Walter R. (Milwaukee WI) Hartley John J. (Pewaukee WI) Chevako Donald M. (Milwaukee WI), Process and apparatus for resin impregnation of a fibrous substrate.
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Del Joseph A. (16326 Barneston St. Granada Hills CA 91344), Process for making multi-layer printed circuit boards, and the article resulting therefrom.
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Nakamura Yoshihiko (Nishinomiya JPX) Matsumura Masahiro (Katano JPX) Fukuhara Yasuo (Osaka JPX) Hatta Yukio (Minoo JPX) Yamamoto Masaharu (Nagoya JPX) Miyao Makizi (Kawagoe JPX) Nagao Kiyohiro (Hiki-, Process for manufacturing prepregs for use as electric insulating material.
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Adler ; Edward, Process for producing metal-plastic laminate.
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Harada Mitsuaki (Osaka JPX), Varnish impregnation method.
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Peng, Dai Xin; Wang, Zhuo, Copper clad laminate, prepreg and method of reducing signal loss.
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Ma, Bodan; Hong, Sun Hee; Tong, Quinn K., Dual cure B-stageable underfill for wafer level.
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Lawton, Ernest L.; Rau, Robert B.; Puckett, Garry D., Fiber product coated with particles to adjust the friction of the coating and the interfilament bonding.
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Bruce E. Novich ; Kami Lammon-Hilinski ; Walter J. Robertson ; Xiang Wu ; Vedagiri Velpari ; Ernest L. Lawton ; William B. Rice, Impregnated glass fiber strands and products including the same.
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Lawton, Ernest L.; Velpari, Vedagiri; Rice, William B.; Robertson, Walter J.; Novich, Bruce E.; Wu, Xiang; Lammon-Hilinski, Kami, Impregnated glass fiber strands and products including the same.
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Lawton, Ernest L.; Velpari, Vedagiri; Rice, William B.; Robertson, Walter J.; Novich, Bruce E.; Wu, Xiang; Lammon-Hilinski, Kami, Impregnated glass fiber strands and products including the same.
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Lawton, Ernest L.; Rau, Robert, Resin compatible yarn binder and uses thereof.
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Rau,Robert B.; Lawton,Ernest L., Resin compatible yarn binder and uses thereof.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

[미국특허] Technique for forming resin-impregnated fiberglass sheets 원문보기

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이 특허에 인용된 특허 (21) 인용/피인용 타임라인 분석

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[미국특허] Technique for forming resin-impregnated fiberglass sheets 원문보기

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이 특허에 인용된 특허 (21) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (8) 인용/피인용 타임라인 분석

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