JPH05318657A - Production of single-sided copper clad lamianted sheet and laminated sheet - Google Patents
Production of single-sided copper clad lamianted sheet and laminated sheetInfo
- Publication number
- JPH05318657A JPH05318657A JP4128697A JP12869792A JPH05318657A JP H05318657 A JPH05318657 A JP H05318657A JP 4128697 A JP4128697 A JP 4128697A JP 12869792 A JP12869792 A JP 12869792A JP H05318657 A JPH05318657 A JP H05318657A
- Authority
- JP
- Japan
- Prior art keywords
- metal foil
- sided copper
- release
- thermosetting resin
- release film
- 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
Landscapes
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、新規な離型性金属箔を
用いる片面銅張積層板、積層板の製造法であり、プリン
ト配線板、カーボン塗布用或いは絶縁用などに好適に使
用されるものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a method for producing a single-sided copper clad laminate and a laminate using a novel releasable metal foil, which is preferably used for printed wiring boards, carbon coating or insulation. It is something.
【０００２】[0002]
【従来の技術】従来、片面銅張積層板、積層板の製造法
においては、一枚或いは複数枚のプリプレグの両側に離
型フィルムを重ねたセット、又は一枚或いは複数枚のプ
リプレグの片面に離型フィルム、反対面に銅箔を重ねた
セットを鏡面板を介して複数セット組み合わせ、これを
熱盤間に投入し、加熱・加圧することにより製造されて
いる。2. Description of the Related Art Conventionally, in a single-sided copper-clad laminate and a method for producing a laminate, a set in which a release film is laminated on both sides of one or more prepregs, or one or more prepregs on one side It is manufactured by combining a set of a release film and a set of copper foils on the opposite side through a mirror plate, putting them in a hot platen, and heating and pressing.
【０００３】この離型フィルムは、ポリプロピレン、ポ
リ−4-メチルペンテン−１、その他のポリオレフィン
類、トリアセチルセルロースなどのアセチルセルロース
類、ポリテトラフロロエチレンなどのフッ素樹脂などの
フィルムが使用されている。しかし、ポリプロピレンな
どは耐熱性に劣り、 180〜200 ℃以上の高温では使用が
困難であった。また、フィルム製造用に使用される可塑
剤などが積層成形時にブリードして、鏡面板を汚染する
などの課題があった。また、フッ素樹脂などのフィルム
は耐熱性、離型性などの点で優れたものであるが、高価
であり、通常、再使用などできないことから製造した積
層板が高価となるものであった。As the release film, films of polypropylene, poly-4-methylpentene-1, other polyolefins, acetylcelluloses such as triacetylcellulose, fluororesins such as polytetrafluoroethylene are used. .. However, polypropylene and the like have poor heat resistance and are difficult to use at high temperatures of 180 to 200 ° C or higher. Further, there is a problem that the plasticizer used for film production bleeds during the laminating molding to contaminate the mirror surface plate. Further, a film made of a fluororesin or the like is excellent in heat resistance and releasability, but it is expensive and the laminated plate produced is expensive because it cannot be reused.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、 200℃を超
える高温においても使用可能で、かつ、鏡面板を汚染す
ることが無く、耐熱性が良好で、より低価格な離型用フ
ィルムを見出すことにより、比較的安価に、片面銅張積
層板、積層板を製造法可能とするものである。DISCLOSURE OF THE INVENTION The present invention provides a release film which can be used even at a high temperature exceeding 200 ° C., does not contaminate a mirror surface plate, has good heat resistance, and is inexpensive. By the finding, it is possible to manufacture a single-sided copper-clad laminate and a laminate at a relatively low cost.
【０００５】[0005]
【課題を解決するための手段】すなわち、本発明は、一
枚或いは複数枚のプリプレグの両側に離型フィルムを重
ねたセットまたは一枚或いは複数枚のプリプレグの片面
に離型フィルム、反対面に銅箔を重ねたセットを鏡面板
を介して複数セット組み合わせ、これを加熱・加圧する
片面銅張積層板、積層板の製造法において、該離型フィ
ルムとして、金属箔の両面に離型性の硬化した熱硬化性
樹脂層を形成してなる離型性金属箔を用いることを特徴
とする片面銅張積層板、積層板の製造法である。また、
本発明の好ましい態様においては、該離型性金属箔の熱
硬化性樹脂層の厚みが 1〜8 μｍであること、該離型性
金属箔の熱硬化性樹脂層が、離型剤として親油性鎖を有
するフッ素樹脂共重合オリゴマーを0.02〜0.8 重量％含
有する熱硬化性樹脂組成物にて形成したものであること
を特徴とする片面銅張積層板、積層板の製造法である。Means for Solving the Problems That is, the present invention provides a set in which a release film is superposed on both sides of one or a plurality of prepregs, or a release film on one surface of one or a plurality of prepregs, and a release film on the opposite surface. In a method of manufacturing a single-sided copper-clad laminated plate or laminated plate in which a plurality of sets of copper foils are combined through a mirror surface plate and heated / pressurized, the mold release film is formed on both sides of the metal foil. A method for producing a single-sided copper-clad laminate and a laminate, which comprises using a release metal foil formed by forming a cured thermosetting resin layer. Also,
In a preferred embodiment of the present invention, the thermosetting resin layer of the releasable metal foil has a thickness of 1 to 8 μm, and the thermosetting resin layer of the releasable metal foil serves as a release agent. A single-sided copper-clad laminate and a method for producing a laminate, comprising a thermosetting resin composition containing 0.02 to 0.8% by weight of a fluororesin copolymerized oligomer having an oily chain.
【０００６】以下、本発明の構成について説明する。ま
ず、本発明の片面銅張積層板、積層板は、プリント配線
板、カーボン塗布用或いは絶縁用などに使用される積層
板類である。本積層板類の製造法としては、多段プレス
法、多段減圧プレス、連続プレスなど公知の方法が使用
できる。ここで、本発明のプリプレグを製造する補強基
材としては、ガラス織布、ガラス不織布（ガラスマッ
ト、ペーパーなど）、ガラスロービングなどのガラス繊
維、その他のセラミックス繊維などの無機補強基材、全
芳香族ポリアミド、液晶性ポリエステル、その他の耐熱
性の有機補強基材が挙げられる。この補強基材は適宜、
シランカップリング剤など表面処理したものとして使用
される。The structure of the present invention will be described below. First, the single-sided copper-clad laminate and the laminate of the present invention are printed wiring boards, laminates used for carbon coating, insulation, and the like. As a method for producing the present laminated plates, known methods such as a multi-step pressing method, a multi-step depressurizing press, and a continuous press can be used. Here, as the reinforcing base material for producing the prepreg of the present invention, glass woven cloth, glass nonwoven cloth (glass mat, paper, etc.), glass fiber such as glass roving, inorganic reinforcing base material such as other ceramic fiber, and perfume Examples thereof include group polyamide, liquid crystalline polyester, and other heat-resistant organic reinforcing base materials. This reinforcing substrate is
It is used as a surface-treated product such as a silane coupling agent.
【０００７】また、含浸樹脂としては、エポキシ樹脂、
不飽和ポリエステル樹脂、シアナート樹脂、ビスマレイ
ミド−シアナート樹脂、ポリイミド樹脂、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／シアナート樹脂、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／シアナート
樹脂、ポリエステルカーボネート／シアナート樹脂、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。これらの中
で、本発明では特に、 200℃以上の積層成形温度を必要
とするシアナート樹脂、ビスマレイミド−シアナート樹
脂、ポリイミド樹脂などを用いた片面銅張積層板、積層
板の製造用の離型フィルムとして好適に使用される。As the impregnating resin, epoxy resin,
Unsaturated polyester resin, cyanate resin, bismaleimide-cyanate resin, polyimide resin, and other thermosetting resins; compositions prepared by appropriately mixing two or more of these; further thermosetting resins, two or more thereof Polyvinyl butyral, acrylonitrile-butadiene rubber, polyfunctional acrylate compound,
Other known resins, modified with additives, etc .; crosslinked polyethylene, crosslinked polyethylene / epoxy resin, crosslinked polyethylene / cyanate resin, polyphenylene ether / epoxy resin, polyphenylene ether / cyanate resin, polyester carbonate / cyanate resin, other modifications A cross-linking curable resin composition (IPN or semi-IPN) made of a thermoplastic resin is exemplified. Among these, in the present invention, particularly, a cyanate resin, a bismaleimide-cyanate resin, a single-sided copper-clad laminate using a polyimide resin, etc., which requires a lamination molding temperature of 200 ° C. or more, a mold release for producing a laminate. It is preferably used as a film.
【０００８】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。また、
その他の目的により、難燃剤、滑剤、その他の添加剤類
が配合できる。[0008] The above-mentioned resin may be blended with a filler as appropriate, and examples thereof include silicas such as natural silica, fused silica and amorphous silica, white carbon, titanium white, aerosil, clay, talc, wollastonite and natural mica. , Synthetic mica, kaolin, aluminum hydroxide, magnesia, alumina, perlite, E-glass, A-glass, C-glass, L-glass, D-glass, S-glass, M-glass, G20-glass, etc. Fine powder and the like are mentioned as suitable ones. Also,
For other purposes, flame retardants, lubricants, and other additives can be added.
【０００９】本発明は、上記のプリプレグ、又はプリプ
レグとその片面に銅箔を重ねたセットを積層成形するに
あたり、少なくともそのプリプレグ面の離型に硬化した
熱硬化性樹脂層を形成した離型性金属箔を使用するもの
である。ここに、本発明の離型性金属箔の製造に使用す
る金属箔としては、アルミニウム、ニッケル、錫、銅、
その他の合金が挙げられ、通常、厚み 20〜50μｍのも
のが好ましい。これらの中で、特に、アルミニウム、銅
が価格の面からも好ましい。In the present invention, when the above prepreg, or a set of a prepreg and a copper foil laminated on one side thereof, is laminated and molded, a releasability in which a thermosetting resin layer cured to at least the prepreg surface is formed is formed. It uses a metal foil. Here, as the metal foil used in the production of the releasable metal foil of the present invention, aluminum, nickel, tin, copper,
Other alloys may be mentioned, and those having a thickness of 20 to 50 μm are usually preferable. Among these, aluminum and copper are particularly preferable in terms of cost.
【００１０】上記した金属箔の両面に離型用の硬化した
熱硬化性樹脂層を形成する。この熱硬化性樹脂として
は、プリプレグ含浸用として例示したものが挙げられる
が、特に、エポキシ樹脂、シアナート樹脂、ビスマレイ
ミド−シアナート樹脂が好ましい。また、離型性を付与
するために熱硬化性樹脂に配合する離型剤としては、オ
レフィン系、エステル系、シリコーン系、フッ素系など
種々の化合物があり、使用可能である。しかし、本発明
では、プリプレグ面への転写性がないものが好ましく、
この点から、オリゴマー乃至低分子量ポリマーがより好
ましい。特に、熱硬化性樹脂に親和性の共重合部分とし
ての親油性鎖を有するシリコン系共重合オリゴマー或い
はフッ素系共重合オリゴマーが好適なものとして挙げら
れ、特に分子量が 3,000〜15,000程度の親油性鎖を有す
るフッ素系共重合オリゴマーが好適である。また、その
使用量は樹脂組成物中の固形分の0.01〜1 重量％、好ま
しくは0.02〜0.8 重量％の範囲である。A cured thermosetting resin layer for release is formed on both surfaces of the above-mentioned metal foil. Examples of the thermosetting resin include those exemplified for prepreg impregnation, but epoxy resin, cyanate resin, and bismaleimide-cyanate resin are particularly preferable. Further, as the release agent to be added to the thermosetting resin for imparting releasability, various compounds such as olefin type, ester type, silicone type and fluorine type can be used and can be used. However, in the present invention, it is preferable that there is no transferability to the prepreg surface,
From this point, an oligomer or a low molecular weight polymer is more preferable. In particular, a silicone-based copolymer oligomer or a fluorine-based copolymer oligomer having a lipophilic chain as a copolymerization portion having an affinity for a thermosetting resin is preferable, and a lipophilic chain having a molecular weight of about 3,000 to 15,000 is particularly preferable. Fluorine-based copolymer oligomers having The amount used is in the range of 0.01 to 1% by weight, preferably 0.02 to 0.8% by weight of the solid content in the resin composition.
【００１１】離型層の形成方法としては、上記した離型
剤を含む熱硬化性樹脂組成物を溶剤に溶解し、粘度 500
〜2,000 センチポイズ(at 25℃) 程度に調整して、これ
をロールコーターなどにより厚さ 0.1〜10μｍ、好まし
くは 1〜8 μｍとなるように金属箔の片面に連続して塗
布し、加熱して溶剤を除去するとともに該熱硬化性樹脂
組成物を予備硬化させ、さらに反対面も同様にして両面
に離型層を形成し予備硬化させ、両面の予備硬化させた
離型層を加熱硬化させる方法、又は、上記において金属
箔の片面に熱硬化性樹脂組成物を塗布後、予備硬化、さ
らに硬化させ、反対面も同様にして両面に離型用の硬化
した熱硬化性樹脂層を形成することによる。As a method for forming the release layer, the thermosetting resin composition containing the above-mentioned release agent is dissolved in a solvent to obtain a viscosity of 500.
Adjust to about 2,000 centipoise (at 25 ° C) and apply it continuously on one side of the metal foil with a roll coater to a thickness of 0.1-10 μm, preferably 1-8 μm, and heat. A method in which the solvent is removed and the thermosetting resin composition is pre-cured, a release layer is formed on both surfaces in the same manner on the opposite side and pre-cured, and the pre-cured release layers on both sides are heat-cured. Or, in the above, after applying the thermosetting resin composition on one surface of the metal foil, pre-curing, further curing, to form a cured thermosetting resin layer for release on both surfaces in the same manner on the opposite surface. by.
【００１２】[0012]
【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 2,2-ビス(4−シアナトフェニル）プロパン 1,000部を 1
50℃で 150分間予備反応させ、これをメチルエチルケト
ンに溶解した。これにビスフェノールＡ型エポキシ樹脂
(商品名; エピコート 1001 、油化シェルエポキシ株式
会社製、エポキシ当量 450〜500) 600部、フッ素系共重
合オリゴマー (商品名; サーフロン SC-101 、旭硝子株
式会社製) 5部及びオクチル酸亜鉛 0.18部を溶解して
粘度 1020 センチポイズ(at 25℃) の離型用の樹脂溶液
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 1,000 parts of 2,2-bis (4-cyanatophenyl) propane
A preliminary reaction was carried out at 50 ° C for 150 minutes, and this was dissolved in methyl ethyl ketone. Bisphenol A type epoxy resin
(Product name: Epicoat 1001, Yuka Shell Epoxy Co., Ltd., epoxy equivalent 450-500) 600 parts, Fluorine-based copolymer oligomer (Product name: Surflon SC-101, Asahi Glass Co., Ltd.) 5 parts and zinc octylate 0.18 A part was dissolved to obtain a releasing resin solution having a viscosity of 1020 centipoise (at 25 ° C).
【００１３】厚み 40μｍのアルミニウム箔をロールか
ら連続的に巻きだしながら上記で得た樹脂溶液をロール
でコーティングし、加熱下に乾燥、硬化させることを繰
り返して両面に厚さ 7μｍの硬化した離型性の熱硬化性
樹脂層を形成し、所定間隔にて切断し、1080mm×1080mm
の離型性金属箔（以下「離型箔Ａ」と記す）を得た。The resin solution obtained above was coated with a roll while continuously winding an aluminum foil having a thickness of 40 μm from the roll, followed by drying and curing under heating, and a cured release layer having a thickness of 7 μm was coated on both sides. Forming a thermosetting resin layer that has high heat resistance and cutting at a predetermined interval, 1080mm × 1080mm
To obtain a releasable metal foil (hereinafter referred to as "release foil A").
【００１４】他方、2,2-ビス(4−シアナトフェニル）プ
ロパン 900部とビス(4−マレイミドフェニル）メタン 1
00部とを 150℃で 100分間予備反応させ、これをメチル
エチルケトンと N,N'-ジメチルホルムアミドとの混合溶
剤に溶解させ、これにオクチル酸亜鉛 0.20 部を加えて
均一に混合してワニス (以下、ワニスA と記す) を得
た。このワニスA を厚み 0.1mmのE-ガラス平織布に含浸
・乾燥し、所定間隔にて切断し1080mm×1080mmのプリプ
レグ (以下、PP1 と記す) を得た。On the other hand, 900 parts of 2,2-bis (4-cyanatophenyl) propane and bis (4-maleimidophenyl) methane 1
Preliminarily react with 00 parts at 150 ° C for 100 minutes, dissolve this in a mixed solvent of methyl ethyl ketone and N, N'-dimethylformamide, add 0.20 parts of zinc octylate to this and mix evenly to prepare a varnish ( , Varnish A). This varnish A was impregnated into an E-glass plain woven fabric having a thickness of 0.1 mm, dried, and cut at predetermined intervals to obtain a prepreg (hereinafter referred to as PP1) having a size of 1080 mm × 1080 mm.
【００１５】ステンレス製鏡面板の上に、上記の離型箔
Ａ、 PP1を 3枚、厚さ18μｍの電解銅箔をこの順序で重
ねステンレス製鏡面板を重ねることを繰り返して、片面
銅張積層板の15セットを組み上げた。この15セットから
なる組を多段プレスの熱盤間に仕込み、20kg/cm2、250
℃、2 時間の条件で積層成形し、冷却後、鏡面板、離型
箔Ａを取り除いて厚さ 0.3mmの片面銅張積層板を得た。
片面銅張積層板の樹脂面と離型箔Ａとの離型性、ステン
レス鏡面板と離型箔Ａとの離型性は良好であり、アルミ
ニウム箔を被覆し硬化した離型性の熱硬化性樹脂層が剥
離して片面銅張積層板の樹脂面やステンレス鏡面板面に
残ることは無かった。On the stainless steel mirror surface plate, three release foils A and PP1 described above and electrolytic copper foil with a thickness of 18 μm were stacked in this order, and the stainless steel mirror surface plate was repeatedly stacked to form a single-sided copper clad laminate. Assembled 15 sets of boards. The set consisting of 15 sets was placed between the hot plates of a multi-stage press and set to 20 kg / cm 2 , 250
The laminate was molded under the condition of 2 ° C. for 2 hours, and after cooling, the mirror surface plate and the release foil A were removed to obtain a single-sided copper clad laminate having a thickness of 0.3 mm.
The resin surface of the one-sided copper-clad laminate and the release foil A have good releasability, and the stainless mirror surface plate and the release foil A have good releasability. The conductive resin layer did not peel off and remained on the resin surface of the single-sided copper-clad laminate or on the stainless specular plate surface.
【００１６】比較例１ 実施例１において、離型箔Ａに代えて、厚さ50μｍのポ
リプロピレンフィルムを用いる他は同様とした。この結
果、片面銅張積層板の樹脂面にポリプロピレンフィルム
が付着し、剥離できず、また、ステンレス鏡面板にもポ
リプロピレンフィルムが付着し、ヘラ剥離ならば不可能
ではないが、剥離は非常に困難であった。Comparative Example 1 The same procedure as in Example 1 was performed except that the release foil A was replaced with a polypropylene film having a thickness of 50 μm. As a result, the polypropylene film adheres to the resin surface of the single-sided copper-clad laminate and cannot be peeled off, and the polypropylene film also adheres to the stainless specular plate, which is not possible if it is a spatula peeling, but peeling is very difficult. Met.
【００１７】[0017]
【発明の効果】以上、発明の詳細な説明などから明瞭な
ように、本発明の離型性金属箔を離型フィルムに代えて
用いる積層板、片面銅張積層板の製造法によれば、200
℃以上の高温の積層成形においても容易に離型性を保持
して積層板類を製造可能とするものである。また、両面
に離型性の層が形成されているので、鏡面板に金属粉な
どが残存することがなく、『ダコン』の原因も生じな
い。さらに、本発明の離型性金属箔も比較的容易にかつ
安価に製造可能であり、その工業的意義は極めて高いも
のである。As is clear from the detailed description of the invention as described above, according to the method for producing a laminated sheet or a single-sided copper-clad laminated sheet in which the releasing metal foil of the present invention is used in place of the releasing film, 200
Even in the laminated molding at a high temperature of ℃ or more, it is possible to easily maintain the releasability and manufacture laminated plates. Further, since the releasable layers are formed on both surfaces, metal powder or the like does not remain on the mirror-finished plate, and the cause of "dakon" does not occur. Furthermore, the releasable metal foil of the present invention can be manufactured relatively easily and inexpensively, and its industrial significance is extremely high.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｈ０５Ｋ 3/00 Ｒ 6921−4Ｅ // Ｂ２９Ｋ 105:06 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Office reference number FI technical display location H05K 3/00 R 6921-4E // B29K 105: 06
Claims (3)
離型フィルムを重ねたセットまたは一枚或いは複数枚の
プリプレグの片面に離型フィルム、反対面に銅箔を重ね
たセットを鏡面板を介して複数セット組み合わせ、これ
を加熱・加圧する片面銅張積層板、積層板の製造法にお
いて、該離型フィルムとして、金属箔の両面に離型性の
硬化した熱硬化性樹脂層を形成してなる離型性金属箔を
用いることを特徴とする片面銅張積層板、積層板の製造
法1. A set of a release film laminated on both sides of one or a plurality of prepregs, or a set of a release film on one side of one or a plurality of prepregs and a copper foil on the opposite side, and a mirror surface plate. In the method for producing a single-sided copper-clad laminate or laminate in which a plurality of sets are combined through heating and pressurization, a release-cured cured thermosetting resin layer is formed on both sides of the metal foil as the release film. Single-sided copper-clad laminate, characterized by using a releasable metal foil
が 1〜8 μｍである請求項１記載の片面銅張積層板、積
層板の製造法2. A single-sided copper-clad laminate according to claim 1, wherein the thermosetting resin layer of the release metal foil has a thickness of 1 to 8 μm.
型剤として親油性鎖を有するフッ素樹脂共重合オリゴマ
ーを0.02〜0.8 重量％含有する熱硬化性樹脂組成物にて
形成したものである請求項１記載の片面銅張積層板、積
層板の製造法3. The thermosetting resin layer of the releasing metal foil is formed of a thermosetting resin composition containing 0.02 to 0.8% by weight of a fluororesin copolymer oligomer having a lipophilic chain as a releasing agent. The single-sided copper-clad laminate according to claim 1, and a method for producing the laminate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4128697A JPH05318657A (en) | 1992-05-21 | 1992-05-21 | Production of single-sided copper clad lamianted sheet and laminated sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4128697A JPH05318657A (en) | 1992-05-21 | 1992-05-21 | Production of single-sided copper clad lamianted sheet and laminated sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05318657A true JPH05318657A (en) | 1993-12-03 |
Family
ID=14991187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4128697A Pending JPH05318657A (en) | 1992-05-21 | 1992-05-21 | Production of single-sided copper clad lamianted sheet and laminated sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05318657A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012195528A (en) * | 2011-03-18 | 2012-10-11 | Panasonic Corp | Method for manufacturing flexible printed wiring board |
-
1992
- 1992-05-21 JP JP4128697A patent/JPH05318657A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012195528A (en) * | 2011-03-18 | 2012-10-11 | Panasonic Corp | Method for manufacturing flexible printed wiring board |
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