JPH05147144A - Production of laminated sheet - Google Patents
Production of laminated sheetInfo
- Publication number
- JPH05147144A JPH05147144A JP31444191A JP31444191A JPH05147144A JP H05147144 A JPH05147144 A JP H05147144A JP 31444191 A JP31444191 A JP 31444191A JP 31444191 A JP31444191 A JP 31444191A JP H05147144 A JPH05147144 A JP H05147144A
- Authority
- JP
- Japan
- Prior art keywords
- base material
- laminated sheet
- woven fabric
- manufacturing
- laminated
- 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.)
- Pending
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
- H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
- H05K1/0366—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement reinforced, e.g. by fibres, fabrics
Landscapes
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、板厚精度に優れた積層
板、銅張積層板などの製造法に関するものであり、特に
多段プレス法においても高い板厚精度を有する積層板を
製造可能とするものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a laminated plate, a copper clad laminated plate, etc. having excellent plate thickness accuracy, and in particular, it is possible to manufacture a laminated plate having a high plate thickness accuracy even in a multi-step pressing method. It is what
【0002】[0002]
【従来の技術】多段プレスなどによる積層板、片面或い
は両面銅張積層板や銅張多層板(以下、単に積層板と記
す)の製造法は、金属箔、プリプレグ或いはプリプレグ
と内層用プリント配線板を鏡面板を介して多数組組み合
わせ(レイアップ工程)、これを加熱、加圧し(プレス
工程)、ついで得られた積層板を鏡面板から分離する。
鏡面板は洗浄した後、再使用され、積層板は周囲を切断
除去するなどの仕上げ加工することにより製造される。2. Description of the Related Art A method of manufacturing a laminated board, a single-sided or double-sided copper-clad laminated board or a copper-clad multilayer board (hereinafter simply referred to as a laminated board) by a multi-stage press, is a metal foil, a prepreg or a prepreg and a printed wiring board for an inner layer. Are combined through a mirror plate (lay-up process), heated and pressed (press process), and then the obtained laminated plate is separated from the mirror plate.
The mirror plate is washed and then reused, and the laminated plate is manufactured by finishing such as cutting and removing the periphery.
【0003】これらの多段プレス法において、通常のプ
リプレグを使用した場合には、得られた積層板は全体と
して中央部が厚く、周囲に向かって徐々に薄くなり、特
に端部では急速に減少するものであった。例えば、1050
mm 角のプリプレグを用いて積層成形し、1050mm角の積
層板とし、端部を切断除去して 1020mm 角の定尺の積層
板とした場合、端部から10mm部分から急速に厚さが減少
し、その量は10%以上にもなるものであった。In these multi-stage pressing methods, when a normal prepreg is used, the obtained laminated plate has a thick central part as a whole, gradually becomes thinner toward the periphery, and particularly rapidly decreases at the end parts. It was a thing. For example, 1050
When a 1050 mm square laminate is laminated using a mm square prepreg and the end is cut and removed to form a 1020 mm square standard laminate, the thickness decreases rapidly from the 10 mm area from the edge. , The amount was more than 10%.
【0004】従来、このような欠点を解決した板厚精度
の高い積層板を製造する方法としては、用いるプリプレ
グ中の樹脂が積層成形中に流れる量をできるだけ小さく
したローフローのプリプレグを使用し、かつ減圧雰囲気
下に低圧プレスとする方法がある。また、その他にプリ
プレグの端部分の樹脂量、硬化度などを変える方法など
が提案されている。Conventionally, as a method for producing a laminated board having a high plate thickness accuracy that solves such a drawback, a low-flow prepreg in which the amount of the resin in the prepreg used flows during lamination molding is minimized, and There is a method of using a low pressure press in a reduced pressure atmosphere. In addition, a method of changing the amount of resin, the degree of curing, etc. at the end of the prepreg has been proposed.
【0005】積層成形条件を主に使用する方法では、積
層成形条件の制御すべき条件が極めて厳密となり、プレ
ス機の熱盤間や一組の熱盤内に投入した複数組の積層板
間の条件のバラツキは制御することが困難であり、良好
な積層板の得られる率は充分では無かった。また、その
他の方法も、プリプレグの製造、処理のバラツキなどが
あり、その効果は不十分であった。In the method which mainly uses the lamination molding condition, the conditions to be controlled in the lamination molding condition become extremely strict, and between the hot plates of the press machine or between the plural sets of laminated plates put in one hot plate. It was difficult to control variations in conditions, and the rate of obtaining good laminates was not sufficient. In addition, other methods also have insufficient effects due to variations in prepreg production and treatment.
【0006】[0006]
【発明が解決しようとする課題】本発明は、特に、多段
プレス法において、板厚精度の高い積層板を製造する方
法を提供することを目的とするものである。SUMMARY OF THE INVENTION It is an object of the present invention to provide a method for producing a laminated board having a high plate thickness accuracy, especially in a multi-step pressing method.
【0007】[0007]
【課題を解決するための手段】すなわち、本発明は、織
布基材に熱硬化性樹脂を含浸してなるプリプレグを用い
る積層板の製造法において、該織布基材が所定寸法の積
層板とした後の端部相当位置の内外の 5〜20mm以内の範
囲において内部の厚さより 4〜12%厚い部分を形成して
なる織布基材であることを特徴とする高板厚精度の積層
板の製造法である。That is, the present invention relates to a method for manufacturing a laminated board using a prepreg obtained by impregnating a woven cloth base material with a thermosetting resin, wherein the woven cloth base material has a predetermined size. Laminate with high plate thickness accuracy, characterized in that it is a woven fabric substrate formed by forming a portion 4 to 12% thicker than the inner thickness within the range of 5 to 20 mm inside and outside the position corresponding to It is a method of manufacturing a plate.
【0008】また、本発明においては、該織布基材が長
尺であり、該厚い部分が両側端部から35mm以内の範囲の
部位並びに長さ方向の一定間隔毎の前後の35mm以内の範
囲であること、又は該厚い部分が、さらに長さ方向と同
一方向の中間部にも設けられたものであること、該織布
基材が、ガラス繊維、ポリアミド繊維および液晶性ポリ
エステル繊維からなる群から選択された繊維糸を単独或
いは混合織成して成る平織織布であることからなる高板
厚精度の積層板の製造法である。Further, in the present invention, the woven fabric base material is long, and the thick portion is within 35 mm from both end portions and within 35 mm before and after a certain interval in the length direction. Or the thick portion is also provided in an intermediate portion in the same direction as the length direction, the woven fabric substrate is a group consisting of glass fibers, polyamide fibers and liquid crystalline polyester fibers. A method for producing a laminated board with high plate thickness accuracy, which is a plain woven woven fabric obtained by individually or mixedly woven fiber yarns selected from.
【0009】まず、本発明の積層板とは、主に電気・電
子用途に使用される積層板類であり、一枚或いは複数枚
のプリプレグを重ねその両側に離型フィルムを重ねたも
のを鏡面板を介して適宜複数組重ねて積層成形してなる
積層板;一枚或いは複数枚のプリプレグを重ねその両側
に、通常、銅箔などの金属箔を重ねたものを鏡面板を介
して適宜複数組重ねて積層成形してなる銅張積層板;こ
のプリプレグに代えて、一枚或いは複数枚の内層用のプ
リント配線網を形成した内層板とプリプレグとを重ね、
さらに銅箔或いは片面銅張積層板を重ねたものを鏡面板
を介して適宜複数組重ねて積層成形してなる銅張多層板
を示すものである。First, the laminated plate of the present invention is a laminated plate mainly used for electric and electronic applications, and one or a plurality of prepregs are laminated and a release film is laminated on both sides thereof as a mirror. Laminates obtained by laminating and forming a plurality of appropriate sets via face plates; one or a plurality of prepregs are overlaid, and on both sides thereof, a metal foil such as a copper foil is usually overlaid via a mirror face plate. A copper clad laminate formed by stacking and stacking; instead of this prepreg, an inner layer plate having a printed wiring network for one or a plurality of inner layers and an prepreg are stacked,
Further, it shows a copper-clad multi-layer board formed by laminating a plurality of copper foils or one-sided copper-clad laminates, which are appropriately laminated through a mirror-finished plate, and laminate-molding them.
【0010】本発明においては、上記において使用する
プリプレグを製造するための織布基材として、所定寸法
の積層板とした後の端部相当位置の内外の50mm以内の部
位において内部の厚さより 3〜12%厚い部分を形成して
なる織布基材を用いる。In the present invention, as a woven fabric base material for producing the prepreg used in the above, a laminated plate having a predetermined size is formed, and the inner thickness is measured at a portion within 50 mm inside and outside the position corresponding to the end portion. A woven fabric substrate formed by forming a 12% thick portion is used.
【0011】まず、織布基材は、E-ガラス、S-ガラス、
T-ガラス、D-ガラス、A-ガラス、C-ガラス、M-ガラス、
G20-ガラス、クオーツガラスなどのガラス繊維、ポリア
ミド繊維および液晶性ポリエステル繊維などの糸を用
い、単独で或いは混合して平織織成してなる通常、0.03
〜0.25mmの厚みの長尺のものである。First, the woven fabric substrate is E-glass, S-glass,
T-glass, D-glass, A-glass, C-glass, M-glass,
G20-Glass, glass fibers such as quartz glass, yarns such as polyamide fibers and liquid crystalline polyester fibers, which are woven individually or in a mixture and are usually plain weave 0.03
It is a long one with a thickness of ~ 0.25 mm.
【0012】そして、厚い部分は、端部相当位置の内外
の50mm以内の部位に用いる糸を太くする方法や用いる本
数を他の部分より多くすることにより3〜12%厚くする
ことにより製造する。厚くする量が 3%未満では厚くし
た効果が小さく好ましくなく、12%を越えても、大きな
改良効果は期待出来ず、むしろ、基材の製造取扱いなど
が困難となり好ましくない。The thick portion is manufactured by thickening the thread used in a portion within 50 mm inside and outside the position corresponding to the end portion or by increasing the number of threads to be used as compared with the other portion so as to be 3 to 12% thick. If the amount to be thickened is less than 3%, the thickening effect is small and not preferable, and if it exceeds 12%, a large improvement effect cannot be expected, and rather, the manufacturing and handling of the base material is difficult, which is not preferable.
【0013】上記した織布基材に、通常、熱硬化性樹脂
を含浸・乾燥して、通常、長尺のプリプレグを製造し、
予め設定した所定位置で切断してなるプリプレグとし、
本発明の積層成形に用いる。The above woven fabric substrate is usually impregnated with a thermosetting resin and dried to produce a long prepreg,
A prepreg made by cutting at a preset position,
Used for the laminated molding of the present invention.
【0014】ここに、含浸樹脂としては、フェノール樹
脂、エポキシ樹脂、不飽和ポリエステル樹脂、シアナト
樹脂、その他の熱硬化性樹脂類;これらを適宜二種以上
配合してなる組成物;さらにこれら熱硬化性樹脂、それ
らの二種以上配合してなる組成物をポリビニルブチラー
ル、アクリロニトリル−ブタジエンゴム、多官能性アク
リレート化合物、その他の公知の樹脂、添加剤等で変性
したもの;架橋ポリエチレン、架橋ポリエチレン/エポ
キシ樹脂、架橋ポリエチレン/シアナト樹脂、ポリフェ
ニレンエーテル/エポキシ樹脂、ポリフェニレンエーテ
ル/シアナト樹脂、ポリエステルカーボネート/シアナ
ト樹脂、その他の変性熱可塑性樹脂からなる架橋硬化性
樹脂組成物(IPN又はセミIPN)が例示される。Here, as the impregnating resin, a phenol resin, an epoxy resin, an unsaturated polyester resin, a cyanato resin, and other thermosetting resins; a composition in which two or more kinds of these are appropriately mixed; Resin, a composition obtained by mixing two or more of them with polyvinyl butyral, acrylonitrile-butadiene rubber, polyfunctional acrylate compound, modified with other known resins, additives, etc .; crosslinked polyethylene, crosslinked polyethylene / epoxy A cross-linking curable resin composition (IPN or semi-IPN) composed of resin, cross-linked polyethylene / cyanato resin, polyphenylene ether / epoxy resin, polyphenylene ether / cyanato resin, polyester carbonate / cyanato resin, and other modified thermoplastic resin is exemplified. ..
【0015】特にエポキシ樹脂類が効果的であり、ビス
フェノールA型エポキシ樹脂、フェノールノボラック型
エポキシ樹脂、クレゾールノボラック型エポキシ樹脂、
臭素化ビスフェノールA型エポキシ樹脂、臭素化フェノ
ールノボラック型エポキシ樹脂、その他の多官能性エポ
キシ樹脂など;これらエポキシ樹脂に、ポリエーテルイ
ミド、ポリフェニレンエーテルなどの耐熱性のエンジニ
アリングプラスチック、飽和又は不飽和ポリエステル樹
脂シアン酸エステル樹脂、シアン酸エステル−マレイミ
ド樹脂などのシアナト樹脂類、ポリイミド樹脂などの公
知の変性用樹脂類を配合したもの;ジシアンジアミド、
ジアミノジフェニルメタン、フェノールノボラック樹脂
などのフェノール類、酸無水物類などの公知の硬化剤、
2-メチルイミダゾール、2-エチル−4-メチルイミダゾー
ル、2-ウンデシルイミダゾール、2-ヘプタデシルイミダ
ゾール、2-フェニルイミダゾール、1-ベンジル−2-メチ
ルイミダゾールなどのイミダゾール類、ベンジルジメチ
ルアミンなどのアミン類などの硬化触媒;難燃剤;顔
料;染料などを配合してなるものが例示される。Epoxy resins are particularly effective. Bisphenol A type epoxy resins, phenol novolac type epoxy resins, cresol novolac type epoxy resins,
Brominated bisphenol A type epoxy resin, brominated phenol novolac type epoxy resin, other polyfunctional epoxy resins, etc .; heat resistant engineering plastics such as polyetherimide and polyphenylene ether, saturated or unsaturated polyester resins Compounds containing cyanate resins such as cyanate ester resins and cyanate ester-maleimide resins, and known modifying resins such as polyimide resins; dicyandiamide,
Diaminodiphenylmethane, phenols such as phenol novolac resin, known curing agents such as acid anhydrides,
2-methylimidazole, 2-ethyl-4-methylimidazole, 2-undecylimidazole, 2-heptadecylimidazole, 2-phenylimidazole, 1-benzyl-2-methylimidazole and other imidazoles, benzyldimethylamine and other amines Examples thereof include a curing catalyst such as a class of compounds, a flame retardant, a pigment, a dye, and the like.
【0016】また、上記樹脂には適宜、充填剤を配合で
き、これらとしては、天然シリカ、溶融シリカ、アモル
ファスシリカなどのシリカ類、ホワイトカーボン、チタ
ンホワイト、アエロジル、クレー、タルク、ウォラスト
ナイト、天然マイカ、合成マイカ、カオリン、水酸化ア
ルミニウム、マグネシア、アルミナ、パーライト、E−
ガラス、A−ガラス、C−ガラス、L−ガラス、D−ガ
ラス、S−ガラス、M−ガラス、G20−ガラスなどの
ガラス微粉末などが好適なものとして挙げられる。Further, a filler may be appropriately added to the above-mentioned resin. Examples of the filler include silicas such as natural silica, fused silica and amorphous silica, white carbon, titanium white, aerosil, clay, talc, wollastonite, Natural mica, synthetic mica, kaolin, aluminum hydroxide, magnesia, alumina, pearlite, E-
Suitable examples include glass, A-glass, C-glass, L-glass, D-glass, S-glass, M-glass, G20-glass, and other fine glass powders.
【0017】[0017]
【実施例】以下、実施例により本発明を説明する。な
お、実施例の「部」及び「%」は特に断らないかぎり重
量基準である。 実施例1 臭素化ビスフェノールA型エポキシ樹脂(商品名;エピ
コート 1045 、Br含量18〜20%、エポキシ当量 450〜50
0 、油化シェルエポキシ株式会社製) 100部、ジシアン
ジアミド 3.5部および2-メチルイミダゾール 0.2部をメ
チルエチルケトンとN,N-ジメチルホルムアミドとの混合
溶剤に溶解して樹脂固形分65%のワニス(以下「ワニス
1」と記す)を得た。The present invention will be described below with reference to examples. The "parts" and "%" in the examples are based on weight unless otherwise specified. Example 1 Brominated bisphenol A type epoxy resin (trade name; Epicoat 1045, Br content 18 to 20%, epoxy equivalent 450 to 50)
0, manufactured by Yuka Shell Epoxy Co., Ltd.) 100 parts, dicyandiamide 3.5 parts and 2-methylimidazole 0.2 parts were dissolved in a mixed solvent of methyl ethyl ketone and N, N-dimethylformamide to prepare a varnish having a resin solid content of 65% (hereinafter referred to as " Varnish 1 ").
【0018】織布基材として、厚み 0.18mm 、幅 1050m
mの長尺のE-ガラス平織織布(B1)、両端部から15〜30mm
の部分の縦糸および長さ方向の約 1,050mm間隔毎にその
前後幅の15〜30mmについて打ち込む横糸を太くして該部
分厚さが0.20〜0.25mmであり、他の部分が 0.18mm の長
尺のE-ガラス平織織布(B2)、両端部から15〜30mmの部分
の縦糸のみ太くして該部分厚さが0.20〜0.25mmであり、
他の部分が 0.18mm の長尺のE-ガラス平織織布(B3)を準
備した。As a woven fabric substrate, thickness 0.18 mm, width 1050 m
m long E-glass plain weave woven fabric (B1), 15-30mm from both ends
The length of the warp and the length of the longitudinal warp and the length of the warp that is driven in about 15 to 30 mm at every 1,050 mm interval in the longitudinal direction are 0.20 to 0.25 mm and the other part is 0.18 mm long. The E-glass plain weave woven fabric (B2), the warp of only 15 to 30 mm from both ends is thickened, and the partial thickness is 0.20 to 0.25 mm,
A long E-glass plain woven fabric (B3) having 0.18 mm in the other part was prepared.
【0019】これらの織布基材にワニス1を含浸し、所
定寸法に切断して樹脂量 42%のプリプレグ (以下、そ
れぞれのプリプレグを基材B1:PP1、基材B2:PP2、基材B
3:PP3と記す。含浸樹脂の初期溶融粘度は、島津製作所
製、フローテスタ CFT-500 D測定したところ 120℃で 9
60ポイズであった。) を得た。These woven fabric base materials are impregnated with varnish 1 and cut into a predetermined size to prepare a prepreg with a resin amount of 42% (hereinafter, each prepreg is a base material B1: PP1, a base material B2: PP2, a base material B.
3: Described as PP3. The initial melt viscosity of the impregnated resin is a flow tester CFT-500 D manufactured by Shimadzu Corporation.
It was 60 poise. ) Got.
【0020】また、上記で得た PP2の縦糸及び横糸方向
端から20〜30mmの部位の樹脂量を50%となるようにハケ
にて上記ワニス1を塗布し、ドライヤーで乾燥して周囲
樹脂含有量が高いプリプレグ(以下、PP21と記す) 、 P
P2の縦糸及び横糸方向端から20〜30mmの部位をドライヤ
ーで加熱して周囲樹脂の初期溶融粘度が 120℃で1920ポ
イズのプリプレグ(以下、PP22と記す) を得た。Further, the varnish 1 is applied by a brush so that the amount of the resin at 20 to 30 mm from the warp and weft direction ends of the PP2 obtained above is 50%, and dried with a dryer to contain the surrounding resin. High amount of prepreg (hereinafter referred to as PP21), P
A region of 20 to 30 mm from the warp and weft yarn ends of P2 was heated with a dryer to obtain a prepreg (hereinafter referred to as PP22) of 1920 poise in which the initial melt viscosity of the surrounding resin was 120 ° C.
【0021】上記で得たプリプレグを 4枚組み合わせて
用い、その上下に18μmの銅箔を重ねたものを鏡面板を
介して10組を熱盤間に仕込み、圧力 40kg/cm2 、180
℃、2時間の条件にて積層成形した後、端を切断して 1,
020mm×1,020mm の銅張積層板を得た。Four pieces of the prepreg obtained above were used in combination, and copper foil of 18 μm was laminated on the top and bottom of the prepreg and 10 sets were placed between the hot plates through the mirror plate, and the pressure was 40 kg / cm 2 , 180
After laminating under the conditions of ℃ and 2 hours, cut the edges 1,
A 020 mm × 1,020 mm copper clad laminate was obtained.
【0022】得られた積層板の厚みをその縦及び横端部
から10mmの部位の4角(1,3,5,7) と端部から10mmの辺中
央部(2,6: 横糸、4,8:縦糸) 、及び中心部(9) 、また、
試験No1、2はさらに、縦及び横端部から15mmの部位の
4角と端部から15mmの辺中央部 (それぞれ、対応番号の
下の括弧内に示した) について測定した結果を表1に示
した。The thickness of the obtained laminated plate was adjusted to the four corners (1,3,5,7) of the part 10 mm from the longitudinal and lateral ends and the center part of the side (2,6: weft, 4 mm) 10 mm from the end. , 8: warp), and the central part (9),
For Test Nos. 1 and 2, the measurement results are shown in Table 1 for the four corners 15 mm from the vertical and horizontal edges and the central part of the side 15 mm from the edges (respectively shown in parentheses below the corresponding numbers). Indicated.
【0023】[0023]
【表1】 表 1 積層板の厚み (単位 mm) 試 験 使用PP 角部 辺中央 中心No. 種 種類 枚 1 3 5 7 2 4 6 8 9 1 比 PP1 4 0.72 0.72 0.72 0.72 0.73 0.73 0.73 0.73 0.8 (15mm部分) (0.78)(0.78)(0.78)(0.78)(0.79)(0.79)(0.79)(0.79) 2 実 PP2 4 0.79 0.79 0.79 0.79 0.78 0.78 0.78 0.78 0.8 (15mm部分) (0.79)(0.79)(0.79)(0.79)(0.78)(0.78)(0.78)(0.78) 3 比 PP3 4 0.77 0.77 0.77 0.77 0.72 0.76 0.72 0.76 0.8 4 実 PP21 4 0.8 0.8 0.8 0.8 0.79 0.79 0.79 0.79 0.8 5 実 PP22 4 0.8 0.8 0.8 0.8 0.79 0.79 0.79 0.79 0.8 [Table 1] Table 1 Laminated plate thickness (unit: mm) Test Use PP corners Sides Centers Center No. Variety of sheets 1 3 5 7 2 4 6 8 9 1 Ratio PP1 4 0.72 0.72 0.72 0.72 0.73 0.73 0.73 0.73 0.8 (15mm part) (0.78) (0.78) (0.78) (0.78) (0.79) (0.79) (0.79) (0.79) 2 Actual PP2 4 0.79 0.79 0.79 0.79 0.78 0.78 0.78 0.78 0.8 (15mm part) (0.79) (0.79) ) (0.79) (0.79) (0.78) (0.78) (0.78) (0.78) 3 Ratio PP3 4 0.77 0.77 0.77 0.77 0.72 0.76 0.72 0.76 0.8 4 Actual PP21 4 0.8 0.8 0.8 0.8 0.79 0.79 0.79 0.79 0.8 5 Actual PP22 4 0.8 0.8 0.8 0.8 0.79 0.79 0.79 0.79 0.8
【0024】[0024]
【発明の効果】以上、発明の詳細な説明および実施例か
ら明瞭なように、本発明の織布基材を使用してなるプリ
プレグを使用することにより、通常の多段プレスにおい
ても厚みのバラツキが大きく改良された積層板が得られ
るものである。As is apparent from the detailed description of the invention and the examples, the use of the prepreg made of the woven fabric base material of the present invention causes variation in thickness even in a normal multistage press. A greatly improved laminate is obtained.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 竹田 伸生 東京都葛飾区新宿6丁目1番1号 三菱瓦 斯化学株式会社東京工場内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Nobuo Takeda 6-1, 1-1 Shinjuku, Katsushika-ku, Tokyo Mitsubishi Gas Chemical Co., Ltd. Tokyo factory
Claims (4)
プリプレグを用いる積層板の製造法において、該織布基
材が所定寸法の積層板とした後の端部相当位置の内外の
5〜20mm以内の範囲内において内部の厚さより 4〜12%
厚い部分を形成してなる織布基材であることを特徴とす
る高板厚精度の積層板の製造法1. A method of manufacturing a laminated board using a prepreg obtained by impregnating a woven cloth base material with a thermosetting resin, wherein the woven cloth base material is a laminated board having a predetermined size, and the inside and outside of the end corresponding positions are formed. of
4 to 12% of the internal thickness within the range of 5 to 20 mm
A method of manufacturing a laminated board with high plate thickness accuracy, which is a woven fabric substrate formed by forming a thick portion
両側端部から35mm以内の範囲並びに長さ方向の一定間隔
毎の前後の35mm以内の範囲である請求項1記載の積層板
の製造法2. The woven fabric base material is long, and the thick portion is within 35 mm from both side end portions and within 35 mm before and after a certain interval in the length direction. Laminated board manufacturing method
向の中間部にも設けられたものである請求項2記載の積
層板の製造法3. The method for manufacturing a laminated plate according to claim 2, wherein the thick portion is further provided at an intermediate portion in the same direction as the length direction.
繊維および液晶性ポリエステル繊維からなる群から選択
された繊維糸を単独或いは混合織成して成る平織織布で
ある請求項1記載の積層板の製造法4. The laminated board according to claim 1, wherein the woven fabric base material is a plain woven fabric formed by weaving fiber yarns selected from the group consisting of glass fibers, polyamide fibers and liquid crystalline polyester fibers, singly or in a mixed woven manner. Manufacturing method of
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31444191A JPH05147144A (en) | 1991-11-28 | 1991-11-28 | Production of laminated sheet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31444191A JPH05147144A (en) | 1991-11-28 | 1991-11-28 | Production of laminated sheet |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH05147144A true JPH05147144A (en) | 1993-06-15 |
Family
ID=18053397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP31444191A Pending JPH05147144A (en) | 1991-11-28 | 1991-11-28 | Production of laminated sheet |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH05147144A (en) |
-
1991
- 1991-11-28 JP JP31444191A patent/JPH05147144A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5435877A (en) | Process for the production of copper-clad laminate | |
KR20210062632A (en) | Resin composition, prepreg, film with resin, metal foil with resin, metal clad laminate, and printed wiring board | |
JP2003213021A (en) | Prepreg, metal-clad laminated plate and printed wiring plate using the same | |
JPH05147144A (en) | Production of laminated sheet | |
JPH05138807A (en) | Manufacture of copper clad laminated sheet | |
JP3356010B2 (en) | Manufacturing method of metal foil-clad laminate | |
JP2962339B2 (en) | Manufacturing method of composite copper clad laminate | |
JPH05318482A (en) | Manufacture of laminate | |
JP2001030279A (en) | Manufacture of laminated sheet | |
JPH05251862A (en) | Manufacture of copper-clad laminate | |
JP2007001230A (en) | Method for manufacturing laminate | |
JP2006315392A (en) | Method for manufacturing metal foil-clad laminate | |
JPH09254331A (en) | Laminated sheet | |
JP3116977B2 (en) | Manufacturing method of copper-clad laminate | |
JP3402392B2 (en) | Multilayer printed wiring board | |
JPH05315716A (en) | Electrical laminate plate | |
JPH0687187A (en) | Manufacture of copper-clad laminate | |
JP4178796B2 (en) | Method for producing metal-clad laminate | |
JPH05138806A (en) | Manufacture of copper clad laminated sheet | |
JP3546594B2 (en) | Epoxy resin composition, prepreg and laminate | |
JPH05245970A (en) | Production of continuous copper clad laminated sheet excellent in appearance | |
JPH06272135A (en) | Woven fabric of glass yarn for multi-layer printed-wiring board and prepreg for multi-layer printed-wiring board | |
JPH0748460A (en) | Laminated sheet | |
JPH1016100A (en) | Preparation of laminated sheet | |
JPH05237956A (en) | Manufacture of copper-clad laminate having excellent appearance |