JPS5912434A - Manufacture of printed wiring board - Google Patents

Manufacture of printed wiring board

Info

Publication number
JPS5912434A
JPS5912434A JP12063682A JP12063682A JPS5912434A JP S5912434 A JPS5912434 A JP S5912434A JP 12063682 A JP12063682 A JP 12063682A JP 12063682 A JP12063682 A JP 12063682A JP S5912434 A JPS5912434 A JP S5912434A
Authority
JP
Japan
Prior art keywords
resist film
heat treatment
photosensitive resist
ultraviolet rays
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.)
Granted
Application number
JP12063682A
Other languages
Japanese (ja)
Other versions
JPH0561791B2 (en
Inventor
Koji Takeuchi
康次 竹内
Kenji Tazawa
賢二 田沢
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.)
Tokyo Ohka Kogyo Co Ltd
Original Assignee
Tokyo Ohka Kogyo Co Ltd
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 Tokyo Ohka Kogyo Co Ltd filed Critical Tokyo Ohka Kogyo Co Ltd
Priority to JP12063682A priority Critical patent/JPS5912434A/en
Publication of JPS5912434A publication Critical patent/JPS5912434A/en
Publication of JPH0561791B2 publication Critical patent/JPH0561791B2/ja
Granted 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
    • H05K3/10Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/18Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
    • H05K3/181Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating
    • H05K3/182Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating characterised by the patterning method
    • H05K3/184Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating characterised by the patterning method using masks

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Manufacturing Of Printed Wiring (AREA)

Abstract

PURPOSE:To obtain a wiring board with high accuracy and superior heat resistance by joining a photosensitive resist film contg. a diallyl phthalate prepolymer with a specified mol.wt., a photopolymerizable monomer and a photopolymn. initiator as principal components to a laminated board coated with an adhesive contg. a catalyst, and using the resulting material. CONSTITUTION:A photosensitive resist film contg. a diallyl phthalate prepolymer with about 3,000-about 20,000mol.wt., a photopolymerizable monomer and a photopolymn. initiator as principal components is superposed on a laminated board coated with an adhesive contg. a catalyst after piercing holes in the board by drilling or other method, and they are joined together by heating and pressurization. The film is exposed through a transparent negative, optionally heat- treated, and developed. The developed film is cured by heat treatment or irradiation with ultraviolet rays. Electroless copper plating is carried out using the resulting permanent insulating film as a mask to form a conductor circuit, and finally irradiation with ultraviolet rays or heat treatment is carried out. Thus, a printed wiring board having superior solvent resistance and proof against soldering temp. is obtd. by repeating heat treatment or irradiation with ultraviolet rays twice.

Description

【発明の詳細な説明】 (発明の技術分野) 本発明は、プリント配線板の製造方法に関し、更に詳し
くいえば、電気回路を無電解銅めっきで形成する部分め
っき法において、めっき部分の精度を向上すると共に、
めっきに際して使用した感光性レジストフィルムを永久
絶縁マスクとして用いる改良されたプリント配線板の製
造方法に関する。
Detailed Description of the Invention (Technical Field of the Invention) The present invention relates to a method for manufacturing a printed wiring board, and more specifically, in a partial plating method for forming an electric circuit by electroless copper plating, the accuracy of the plated portion is improved. As well as improving
The present invention relates to an improved method for manufacturing printed wiring boards that uses the photosensitive resist film used during plating as a permanent insulation mask.

(先行技術) 従来のプリント配線板の製造方法の代表であるサブトラ
クティブ法(エツチドホイル法)の−態様は、銅張り積
層板を穴あけ加工し、ケミカルクリーニング、穴内の活
性化処理後、無電解銅めっきにより銅q薄膜を形成し、
その後全面を電気銅めっきにより、穴内壁が規定の銅め
っき厚さになるようにめっき付けを行い、めっき付は後
レジストにより回路を形成し、それ以外の不要の銅をエ
ツチングにより除去する方法である。
(Prior Art) The subtractive method (etched foil method), which is a typical method for manufacturing conventional printed wiring boards, involves drilling holes in a copper-clad laminate, chemical cleaning, and activating the inside of the holes. Form a copper q thin film by plating,
After that, the entire surface is electroplated with copper so that the inner wall of the hole has the specified copper plating thickness. After plating, a circuit is formed with a resist, and other unnecessary copper is removed by etching. be.

これに対し、最近は絶縁板を出発材料とし、て、無電解
銅めっきだけで回路を形成するフルアディティブ法が注
目され実用されているが、この方法は一般に次の工程で
成っている。触媒入り接着剤付き積層板をドリルまたは
・ミンチで穴あけしてスルホールをつくり、次にレジス
トインクをスクリーン印刷法によりパターンを形成する
ように被覆して硬化後、これを無電解銅めっき液に入れ
、レジストインク以外の部分にめっき膜を析出させて回
路を形成して完成する。
In contrast, recently, a fully additive method in which a circuit is formed using only electroless copper plating using an insulating plate as a starting material has been attracting attention and being put into practice, but this method generally consists of the following steps. A laminate with a catalyst-containing adhesive is drilled or minced to create through holes, then resist ink is coated to form a pattern using a screen printing method, and after curing, this is placed in an electroless copper plating solution. , the circuit is completed by depositing a plating film on areas other than the resist ink.

このフルアディティブ法は、従来主流であったサブトラ
クティブ法と異なり、必要部分のみに任意の厚さの導体
パターンを形成する方法であって、工程の簡略化と省資
源の点で、あるいは低コストの点で優れているが、この
方法の大きな問題の1つはパターンの精度であり、シャ
ープなパターンを得ることが困難なことである。その原
因は、フルアディティブ法のめつきレジストは、従来ス
クリーン印刷により印刷されているが、スクリーン印刷
の精度に限界があるためで、一般に寸法精度で±0.1
5mm/ 50an、パターン巾の解像度は0.257
nmであるといわれている。また、フルアディティブ法
において、レジストインク中に含捷れる溶剤により数十
ミクロンの・・にじみ・・が生ずるため、析出した銅の
密着性が低下する欠点や、印刷後の熱処理により硬化す
る際に発生するインクのブレで精度が更に悪化する欠点
なども改善が望壕れている。更に感光性レジストフィル
ムについては、ハンダ付は工程で260℃前後の温度に
耐力ること、あるいは、ハンダ付は時に用いたフラック
スを洗浄するために使用するインプロピルアルコール、
トリクロロエチレン、塩化メチレンなどの有機溶剤に劇
えることなども要求されている。
This fully additive method differs from the conventional subtractive method in that it forms a conductor pattern of any thickness only in the necessary areas, and is advantageous in terms of process simplification, resource saving, and low cost. However, one of the major problems with this method is the accuracy of the pattern, and it is difficult to obtain a sharp pattern. The reason for this is that fully additive plating resists are conventionally printed by screen printing, but there is a limit to the accuracy of screen printing, and the dimensional accuracy is generally ±0.1.
5mm/50an, pattern width resolution is 0.257
It is said to be nm. In addition, in the fully additive method, the solvent leached into the resist ink causes a bleed of several tens of microns, which reduces the adhesion of the deposited copper, and when it hardens during heat treatment after printing. It is hoped that improvements can be made to the drawbacks such as ink blurring that further deteriorates accuracy. Furthermore, regarding the photosensitive resist film, the soldering process must withstand temperatures of around 260°C, or the soldering process requires inpropyl alcohol, which is used to clean the flux used.
It is also required to be resistant to organic solvents such as trichlorethylene and methylene chloride.

(発明の目的) 本発明の第一の目的は、フルアディティブ法の無電解銅
めっき液に十分に耐える、かつ写真法によりパターン精
度を著しく向上された、しかも最終製品寸で除去するこ
となく使用される永久絶縁マスクをもつプリント配線板
の製造方法を提供することにある。本発明の第二の目的
は、ハンダ付は工程の260℃前後の温度にも耐える、
耐熱性の永久絶縁マスクをもつプリント配線板の製造方
法を提供することにある。本発明の最後の目的は、ハン
ダ付は時に用いるフラックスを洗浄する有機溶剤に対し
ても十分に耐える永久絶縁マスクをもつプリント配線板
の製造方法を提供することにある。
(Objective of the Invention) The first object of the present invention is to provide a plating solution that sufficiently withstands the electroless copper plating solution of the fully additive method, and that has significantly improved pattern accuracy using the photographic method, and that can be used without removing it in the final product size. An object of the present invention is to provide a method for manufacturing a printed wiring board having a permanent insulation mask. The second object of the present invention is that the soldering process can withstand temperatures of around 260°C.
An object of the present invention is to provide a method for manufacturing a printed wiring board having a heat-resistant permanent insulation mask. A final object of the present invention is to provide a method for manufacturing printed wiring boards with a permanent insulating mask that is sufficiently resistant to the organic solvents used to clean the fluxes that are sometimes used in soldering.

(発明の構成) 本発明は (イ)(1)分子量が約3,000〜約20,000の
範囲内にあるジアリルフタラードプレポリマー、(11
)光重合性単量体および1it)光重合開始剤を主成分
として含有する感光性レジストフィルムを触媒入り接着
剤付き積層板に接合させ、 (ロ)前記感光性レジストフィルム上に透明陰画を載置
し、 (ハ)前記透明陰画を通して前記感光性レジストフィル
ムに露光し、 に)露光後のパターニングされたレジストフィルムを熱
処理することなく現像するか、あるいは熱処理した後に
現像し、 (ホ)前記現像ずみレジストフィルムを熱処理あるいは
/および紫外線照射し、 (へ)ついで無電解銅めっきし、最後に(ト)紫外線照
射あるいは/および熱処理することを特徴とするプリン
ト配線板の製造方法である。
(Structure of the Invention) The present invention provides (a) (1) a diallylphthalade prepolymer having a molecular weight within the range of about 3,000 to about 20,000;
) A photosensitive resist film containing a photopolymerizable monomer and a photopolymerization initiator as main components is bonded to a laminate with a catalyst-containing adhesive, and (b) a transparent negative is placed on the photosensitive resist film. (c) exposing the photosensitive resist film through the transparent negative; d) developing the exposed patterned resist film without heat treatment or after heat treatment; and (e) developing the patterned resist film after the exposure. This is a method for manufacturing a printed wiring board, which is characterized in that a resist film is subjected to heat treatment and/or irradiation with ultraviolet rays, (f) then electroless copper plating, and finally (g) irradiation with ultraviolet rays and/or heat treatment.

本発明の構成要素について以下に詳しく説明する。The components of the present invention will be explained in detail below.

(ジアリルフタラードプレポリマー) この明細書の特許請求の範囲の欄におけるジアリルフタ
ラードという名称は、ジアリルフタラード自体だけでな
く、シアリルイソフタラードおよびジアリルテレフタラ
ートをも包含する総括的名称である。
(Diallyl phthalade prepolymer) The name diallyl phthalade in the claims section of this specification is a generic name that includes not only diallyl phthalade itself but also sialyl isophthalade and diallyl terephthalate. .

本発明に用いるジアリルフタラードプレポリマーは、ジ
アリルフタラード、ジアリルイソフタラード又はジアリ
ルテレフタラートのプレポリマーで分子量が約3,00
0〜約20,000の範囲のものである。分子量が約3
,000以下では軟化点が低く、レジストフィルムとし
た場合の皮膜がベトつき実用性がなく不適当である。1
だ分子量が約20,000以北では、溶剤に対する溶解
性が悪く、やはり実用的ではない。ジアリルフタラード
又はジアリルイソフタ2−トは、無水フタル酸又は無水
イソフタル酸とアリルアルコールから、もしくはフタル
酸ナトリウム又はイソフタル酸ナトリウムと塩化アリル
から容易に合成できる。ジアリルテレフタラートは直接
のエステル化による合成では収率が悪く、テレフタル酸
ジメチルと酢酸アリルとの間のエステル交換反応、ある
いはテレフタル酸を五塩化燐で酸塩化物とし、これとア
リルアルコールとを反応させて合成することができるが
合成方法が複雑であるからコストが高くなる。この点と
、ジアリルフタラードのプレポリマーは、ジアリルイソ
フタラードのプレポリマーに比較して耐熱性がやや劣る
ことを考慮すると、ジアリルイソフタラードを使用する
のが好ましいが、これによって本発明は、何ら限定され
ない。また異性体の混合使用も可能である。
The diallyl phthalade prepolymer used in the present invention is a prepolymer of diallyl phthalade, diallyl isophthalade, or diallyl terephthalate and has a molecular weight of about 3,000.
It ranges from 0 to about 20,000. Molecular weight is about 3
,000 or less, the softening point is low, and when used as a resist film, the film becomes sticky and is not suitable for practical use. 1
If the molecular weight is above about 20,000, the solubility in solvents is poor and it is not practical. Diallyl phthalade or diallyl isophthalate can be easily synthesized from phthalic anhydride or isophthalic anhydride and allyl alcohol, or from sodium phthalate or isophthalate and allyl chloride. Diallyl terephthalate has a low yield when synthesized by direct esterification, so it can be synthesized by transesterification between dimethyl terephthalate and allyl acetate, or by converting terephthalic acid into an acid chloride with phosphorus pentachloride and reacting this with allyl alcohol. However, the synthesis method is complicated and the cost is high. Considering this point and the fact that the prepolymer of diallyl phthalade has slightly inferior heat resistance compared to the prepolymer of diallyl isophthalade, it is preferable to use diallyl isophthalade. , without any limitation. It is also possible to use a mixture of isomers.

(光重合性単量体) 本発明の光重合性単量体としては、多官能性アクリル系
を代表とするエチレン性不飽和化合物や、アリル基、ビ
ニルエーテル基、ビニルアミン基を持つ化合物も使用で
きる。例をあげれば、ジエチレングリコールジアクリラ
ート、トリエチレングリコールジアクリラート、テトラ
エチレングリコールジアクリラートで代表されるポリエ
チレングリコールジアクリラ−!・(重合度は2〜20
0)類、およびそれ等に対応するメタクリラート類;ポ
リアルキレングリコールシアクリラード(重合度は4〜
11)類;はフタエリスリトールトリアクリラート、ト
リメチロールプロパントリアクリラート、2,2−ジメ
チルプロパンジアクリラートによって代表される各種の
アクリラート類およびそれ等に対応するメタクリラート
類;ジアリルフタラードモノマーや次の一般式(I)で
表わされるアルキレンオキシド誘導体のシアクリラード
、および対応するジメタクリラードなども使用できる。
(Photopolymerizable monomer) As the photopolymerizable monomer of the present invention, ethylenically unsaturated compounds such as polyfunctional acrylic compounds, and compounds having an allyl group, a vinyl ether group, or a vinylamine group can also be used. . Examples include polyethylene glycol diacrylates such as diethylene glycol diacrylate, triethylene glycol diacrylate, and tetraethylene glycol diacrylate!・(Polymerization degree is 2 to 20
0) and the corresponding methacrylates; polyalkylene glycol cyacrylate (polymerization degree is 4 to
Class 11) refers to various acrylates represented by phthaerythritol triacrylate, trimethylolpropane triacrylate, and 2,2-dimethylpropane diacrylate, and their corresponding methacrylates; diallylphthalade monomers and Cyacrylate, an alkylene oxide derivative represented by the following general formula (I), and the corresponding dimethacrylate can also be used.

■ RIH2C−C−CH2RI            
     (I)也 (ただし、R1は水素原子又は臭素原子、R2及びR3
は、それぞれ水素原子又はメチル基、R1は−CH2−
1これらの光重合性単量体は、単独あるいは2種以上の
混合物としても使用できる。添加量はジアリルフタラー
ドプレポリマーに対して、5〜5゜重量係の範囲で使用
される。
■ RIH2C-C-CH2RI
(I) Also (however, R1 is a hydrogen atom or a bromine atom, R2 and R3
are each a hydrogen atom or a methyl group, R1 is -CH2-
1 These photopolymerizable monomers can be used alone or as a mixture of two or more. The amount added is within the range of 5 to 5% by weight relative to the diallylphthalade prepolymer.

(光重合開始剤) 光重合開始剤としては、ベンゾフェノン類、ベンツイン
、ベンゾインエチルエーテル、はンゾインイソプロピル
エーテルなどのベンゾインアルキルエーテル類、エチル
アントラキノン、メチルアントラキノンなどのアルキル
アントラキノン類、2.2−−;メトキシ−2−フェニ
ルアセトフェノン、2.2−ジェトキシアセトフェノン
、ベンゾフェノン、4.4’−ビスジメチルアミノベン
ゾフェノン、4.4/−ビスジエチルアミノベンゾフェ
ノンなどをあげることができる。これらは単独で、ある
いは2種以上の混合物として用いられる。この光重合開
始剤の添加量は、ジアリルフタラードプレポリマーに対
して、0.01〜10重量係、好捷しくに、0.05〜
5重量%の範囲で用いられれば充分である。
(Photopolymerization initiator) Examples of the photopolymerization initiator include benzophenones, benzine, benzoin alkyl ethers such as benzoin ethyl ether, and benzoin isopropyl ether, alkylanthraquinones such as ethylanthraquinone and methylanthraquinone, 2.2- -: Methoxy-2-phenylacetophenone, 2.2-jethoxyacetophenone, benzophenone, 4.4'-bisdimethylaminobenzophenone, 4.4/-bisdiethylaminobenzophenone, and the like. These may be used alone or as a mixture of two or more. The amount of the photopolymerization initiator added is preferably 0.01 to 10% by weight, preferably 0.05 to 10% by weight, based on the diallylphthalade prepolymer.
It is sufficient if it is used in a range of 5% by weight.

(その他の添加物) 本発明のレジストフィルムには必要に応じて保存安定性
をよくするための熱重合防止剤、可塑剤、紫外線防止剤
を添加できる。
(Other Additives) A thermal polymerization inhibitor, plasticizer, and ultraviolet light inhibitor can be added to the resist film of the present invention, if necessary, in order to improve storage stability.

重合防止剤としては、ヒドロキノンモノメチルエーテル
、メチルヒドロキノンなどのラジカル重合防止剤が挙げ
られる。可塑剤としては、フタ/L。
Examples of the polymerization inhibitor include radical polymerization inhibitors such as hydroquinone monomethyl ether and methylhydroquinone. As a plasticizer, Lid/L.

酸エステル系のジエチルフタラード、ジブチルフタラー
ド、n−オクチルフタラードなど、二塩基酸エステル系
のアジピン酸−ジー2−エチルヘキシル、アジピン酸−
ジ−イソデシルなど、脂肪酸エステル系のステアリン酸
ブチル、エポキシ系のエホキシ化大豆油、リン酸エステ
ル系のリン酸トリフェニル、リン酸トリクレジルなどが
使用できる。これらの可塑剤はジアリルフタラートゾレ
ポリマーに対して、20〜100重量係の範囲で使用さ
れる。
Acid esters such as diethyl phthalade, dibutyl phthalade, and n-octylphthalade; dibasic acid esters such as di-2-ethylhexyl adipic acid and adipic acid;
Fatty acid ester-based butyl stearate such as di-isodecyl, epoxy-based epoxylated soybean oil, phosphoric ester-based triphenyl phosphate, tricresyl phosphate, etc. can be used. These plasticizers are used in amounts ranging from 20 to 100 weight percent relative to the diallylphthalate sol polymer.

紫外線吸収剤としては、2−ヒドロキシ−4−メトキシ
ベンゾフェノン、2−ヒドロキシ−4−オクチルオキシ
ベンゾフェノン、2,4−ジヒドロキシベンゾフェノン
などのベンゾフェノン系、2− (2’ −ヒドロキシ
−5′−メチルフェニル)ベンゾトリアゾールを代表と
するベンゾトリアゾール系、4  tert−プチルフ
ェニルサリチラート、p−オクチルフェニルサリチラー
トなどのサリチラート系などをあけることができる。こ
れらの添加量は通常0.1〜3重量係である。
Examples of ultraviolet absorbers include benzophenone series such as 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-octyloxybenzophenone, and 2,4-dihydroxybenzophenone, and 2-(2'-hydroxy-5'-methylphenyl). Examples include benzotriazole-based exemplified by benzotriazole, and salicylate-based such as 4 tert-butylphenyl salicylate and p-octylphenyl salicylate. The amount of these added is usually 0.1 to 3 parts by weight.

このほかに必要に応じて、染料、顔料などの着色剤が添
加できる。
In addition, coloring agents such as dyes and pigments can be added as necessary.

(感光性レジストフィルムの形成) 上舵の様な成分を含有する感光性レジストフィルムは、
通常の有機溶剤に溶解して適当な基板上に塗布し、乾燥
して作成する。必要であれば適当な保護フィルムで積層
して保護することができる。
(Formation of photosensitive resist film) A photosensitive resist film containing components such as upper rudder is
It is prepared by dissolving it in a common organic solvent, coating it on a suitable substrate, and drying it. If necessary, it can be protected by laminating with a suitable protective film.

また塗布後の厚さは、約5〜500μmの範囲で適当に
選択する。なお使用する有機溶剤は、ベンゼン、トルエ
ン、キシレン、アセトン、メチルエチルケトン、メチル
イソブチルケトン、ジオキサン、酢酸エチル、酢酸ブチ
ル、テトラヒドロフラン、トリクロロエタン、トリクロ
ロエチレン、ジクロロエタンなどの単独溶剤捷たは混合
溶剤であり、塗布法はスプレー法、ディップ法、ファウ
ンテン法、ロールコータ−法、・ぐ−コーター法−1と
、基板は不銹鋼、めっきされたクロムなどの金属、ポリ
エステル、ポリエチレン、ポリ塩化ビニルなどの樹脂あ
るいはフエトル樹脂、メラミン樹脂などを含浸した紙捷
たは布などの単独または複合した材料の板、シート捷た
はフィルムなど、保殺フィルムはセルロース系、ポリオ
レフィン系、ホリエステル系、ポリビニル系など、積層
法は−fし、z。
Further, the thickness after coating is appropriately selected within the range of about 5 to 500 μm. The organic solvents used are single solvents or mixed solvents such as benzene, toluene, xylene, acetone, methyl ethyl ketone, methyl isobutyl ketone, dioxane, ethyl acetate, butyl acetate, tetrahydrofuran, trichloroethane, trichloroethylene, and dichloroethane. The method is spray method, dip method, fountain method, roll coater method, grout coater method-1, and the substrate is stainless steel, metal such as plated chromium, resin such as polyester, polyethylene, polyvinyl chloride, or fluorine resin, Boards, sheets or films made of single or composite materials such as paper or cloth impregnated with melamine resin, etc. Protection films are cellulose-based, polyolefin-based, polyester-based, polyvinyl-based, etc. Lamination method is - f and z.

法、ロール法、ラミネーター法などを挙げることができ
る。
method, roll method, laminator method, etc.

(触媒入り接着剤付き積層板) 本発明の最初の工程は、感光性レジストフィルムを触媒
入り接着剤付き積層板に接合させる工程である。触媒入
り接着剤付き積層板はフルアディティブ法に使用されて
いる市販品でよく、感光性レジストフィルムの接合に先
行して、規定の寸法に切断し、ドリルまたはパンチによ
り穴あけして秒く。
(Laminated board with catalyst-containing adhesive) The first step of the present invention is a step of bonding a photosensitive resist film to a laminate with catalyst-containing adhesive. The laminated plate with a catalyst-containing adhesive may be a commercially available product used in the fully additive method, and prior to bonding the photosensitive resist film, it is cut to a specified size, and holes are drilled or punched.

(感光性レジストフィルムの接合) 触媒入り接着剤付き積層板に感光性レジストフィルムを
接合させるには、積層プレス、ロール−4またはラミネ
ーターを用い適当な温度、圧力で行う。
(Joining of photosensitive resist film) In order to bond the photosensitive resist film to the catalyst-containing adhesive-coated laminate, it is carried out at appropriate temperature and pressure using a lamination press, roll-4 or laminator.

(露光と現像) 本発明の次の工程は、写真法により回路パターンを形成
する露光および現像の工程である。
(Exposure and Development) The next step of the present invention is an exposure and development step to form a circuit pattern by photography.

本発明の感光性レジストフィルムはネガタイプの感光性
樹脂であるから、あらかじめ作成したパターン用のネガ
フィルムを用い、カーボンアーク灯、クセノンランプ、
高圧水銀灯、超高圧水銀灯、ケミカルランプ、メタル・
・ロゲニドランプなどの光源で焼付けする。その後、好
ましくは熱処理を行うが、その栄件は温度100〜20
0℃、時間5〜120分が適当で、必要により約50℃
前後で30分以上の前処理を行う。現像は有機溶剤を用
い、スプレー法、ディップ法、ブラシ法等により行う。
Since the photosensitive resist film of the present invention is a negative type photosensitive resin, a carbon arc lamp, a xenon lamp, a carbon arc lamp, a xenon lamp,
High-pressure mercury lamps, ultra-high-pressure mercury lamps, chemical lamps, metal lamps,
- Burn using a light source such as a Rogenide lamp. After that, heat treatment is preferably performed, but the temperature is 100-200℃.
Appropriate time is 0℃ for 5 to 120 minutes, and about 50℃ if necessary.
Perform pretreatment for 30 minutes or more before and after. Development is carried out using an organic solvent by a spray method, dip method, brush method, or the like.

なお現像用の有機溶剤は、本発明の感光性レジストフィ
ルムの作成に使用した溶剤と同じものでよい。
Note that the organic solvent for development may be the same as the solvent used for producing the photosensitive resist film of the present invention.

(紫外線照射と熱処理と銅めっき) 本発明の後の工程は、露光、現像後の感光性レジストパ
ターンを熱処理あるいは/および紫外線照射により硬化
あるいはそれを強化して永久絶縁マスクを完全にする工
程と、マスクした積層板を無電解鋼めっき液に浸漬して
導体回路を形成する工程から成り、熱処理あるいは/お
よび紫外線照射の工程は、無電解鋼めっきの工程の前後
で2回行う。熱処理の方法および条件は温度100〜2
00℃中で、5〜60分間処理すれはよい。紫外線照射
の方法および条件は露光時のそね7に準じて行えばよい
。甘だ無電解鋼めっきの方法および条件は、フルアディ
ティブ法において行なわれている標準的なものでよい。
(Ultraviolet irradiation, heat treatment, and copper plating) The subsequent process of the present invention is a step of curing or strengthening the photosensitive resist pattern after exposure and development by heat treatment and/or ultraviolet irradiation to complete the permanent insulation mask. , consists of a step of immersing a masked laminate in an electroless steel plating solution to form a conductor circuit, and the heat treatment and/or ultraviolet irradiation step is performed twice before and after the electroless steel plating step. The heat treatment method and conditions are temperature 100-2
It is best to process at 00°C for 5 to 60 minutes. The method and conditions for ultraviolet irradiation may be carried out in accordance with Step 7 for exposure. The method and conditions for amada electroless steel plating may be the standard methods used in fully additive methods.

(本発明の効果) 本発明の方法の最大の利点は、第一にプリント配線板の
単体パターンの精度が飛曜的に向」ニしたことである。
(Effects of the Present Invention) The greatest advantage of the method of the present invention is, firstly, that the accuracy of single patterns on printed wiring boards has been dramatically improved.

この精度は、感光性レジストフィルムの解像度などによ
って決するが、従来のレジストインクのように有機溶剤
を含壕ないためインクによる1にじみ″の如き現象も全
く起らない。
This accuracy is determined by the resolution of the photosensitive resist film, but unlike conventional resist inks, it does not contain organic solvents, so phenomena such as "bleeding" caused by the ink do not occur at all.

本発明の第二の利点は、本発明の方法で形成された絶縁
マスクは500℃の雰囲気中に6分間放置してもほんの
わずかに変色する程度で、膜べり現象もみられず、耐熱
性が極めて優れているため、無電解銅めっきされた導体
回路上にハンダ付は工程(ハンダ温度260℃、ハンダ
時間4〜5秒)にも十分耐えることができることである
。更に本発明の方法で形成された絶縁マスクは、耐溶剤
性が非常に優れイソプロピルアルコール、トリクロロエ
チレン、塩化メチレン等の有機溶剤に膨潤、剥離するこ
となく十分耐えるので、ノ・ンダ刊は後のフラックスの
残滓をその塘1で洗浄して除去することが可能となった
The second advantage of the present invention is that the insulating mask formed by the method of the present invention only slightly discolors even if left in an atmosphere of 500°C for 6 minutes, does not show any film peeling phenomenon, and has excellent heat resistance. It is so excellent that it can withstand the soldering process (soldering temperature 260°C, soldering time 4 to 5 seconds) on conductor circuits plated with electroless copper. Furthermore, the insulating mask formed by the method of the present invention has excellent solvent resistance and can withstand organic solvents such as isopropyl alcohol, trichloroethylene, and methylene chloride without swelling or peeling. It became possible to wash and remove the residue with the container 1.

実施例 以下に、実施例を挙げて本発明を更に具体的に説明する
が2、本発明はこれによって何ら制限されろものではな
い。
EXAMPLES The present invention will be explained in more detail with reference to Examples below, but the present invention is not limited thereto in any way.

実施例1 ジアリルイソフタラードプレポリマー(商品名ダイソー
イソダツプ、大阪曹達社製)100重量部を、メチルエ
チルケトン1[10重量部に溶解させた後、トリメチロ
ールプロパン)・リメリ タク7ラート50重量部、2−エチルアントラキノン5
重電部を加え、感光性レジスト組成物とした。この組成
物を厚さ25μmポリエステルフィルム上に膜厚ろ0μ
mになるように塗布しこれを赤外線照射して乾燥した。
Example 1 100 parts by weight of diallylisophthalade prepolymer (trade name: Daiso Isodap, manufactured by Osaka Soda Co., Ltd.) were mixed with 100 parts by weight of methyl ethyl ketone 1 (dissolved in 10 parts by weight, then trimethylolpropane) and 50 parts by weight of Limeritac 7-late. , 2-ethylanthraquinone 5
A heavy electrical part was added to prepare a photosensitive resist composition. This composition was coated on a 25 μm thick polyester film with a film thickness of 0 μm.
It was coated in an amount of m and dried by irradiating it with infrared rays.

埒らにこの上側に厚さろ0μmのポリエチレンフィルム
を保護膜として圧着して感光性レジストフィルムを作成
した。アディティブ用接着剤(ヒューソン社製)を予め
塗布し、乾燥した厭−フェノール樹脂積層板を、クロム
酸と硫酸から成る表面処理剤で処理し、水洗した後、活
性化処理液により表面を活性化した両面に、ポリエチレ
ンフィルムを剥離した感光性レジストフィルムを熱圧着
した。この積層板に所定のパターンをあて照射量200
mJ/dの21(W超高圧水銀灯で露光し、1,1.1
− )リクロロエタンで現像した。これを最初50°C
″′c30分、次に120℃テ3D分間熱処理した。こ
れを次の組成の無電解銅めっき液で10時間浸漬してめ
っきを行った(これをA処理品とする。
A polyethylene film having a thickness of 0 μm was then pressure-bonded to the upper side of the resist film as a protective film to prepare a photosensitive resist film. A phenol resin laminate that has been pre-coated with additive adhesive (manufactured by Hewson) and dried is treated with a surface treatment agent consisting of chromic acid and sulfuric acid, washed with water, and then the surface is activated with an activation treatment solution. A photosensitive resist film, from which the polyethylene film had been peeled off, was thermocompression bonded to both surfaces. A predetermined pattern is applied to this laminate and the irradiation amount is 200.
mJ/d of 21 (W) exposed with an ultra-high pressure mercury lamp, 1,1.1
-) Developed with dichloroethane. This was heated to 50°C at first.
It was heat-treated for 30 minutes at 120° C. and then for 3D minutes at 120° C. It was plated by immersing it in an electroless copper plating solution having the following composition for 10 hours (this is referred to as A-treated product).

硫酸銅             129/1ホルマリ
ン            6ml/l!水酸化ナトリ
ウム        129/1エチレンジアミン四酢
酸ナトリウム ’559/lポリエチレングリコールス
テアリルアミン  50U19.#ジピリジル    
       20m9/1硫化銀         
  0.0026 ppmめっき終了後水洗してから1
50℃、60分間熱処理した。260℃のハフタ浴中に
60秒間浸漬したがレジスト皮膜には変化ばみられず耐
熱性は良好であった。捷だトリクロロエチレン中に1分
間、5分間、10分間浸漬した後、とり出して直ちに(
表面が液で儒れている状態)テイシュヘーハーで10回
強くこすり、倍率50倍のルーばでキズのつき具合を観
察して耐溶剤性を判定した。別に塩化メチレン溶液に1
分間、6分間、5分間浸漬して上と同様に試験して耐溶
剤性を評価した。これらの結果を表1に示す。
Copper sulfate 129/1 formalin 6ml/l! Sodium hydroxide 129/1 Sodium ethylenediaminetetraacetate '559/l Polyethylene glycol stearylamine 50U19. #Dipyridyl
20m9/1 silver sulfide
After 0.0026 ppm plating and washing with water, 1
Heat treatment was performed at 50°C for 60 minutes. Although it was immersed in a hafta bath at 260°C for 60 seconds, no change was observed in the resist film, and the heat resistance was good. After immersing in strained trichlorethylene for 1 minute, 5 minutes, and 10 minutes, take it out and immediately (
The surface was covered with liquid) and was rubbed strongly with a tissue paper 10 times, and the extent of scratches was observed using a louver with a magnification of 50 times to determine the solvent resistance. Separately, add 1 to methylene chloride solution.
The solvent resistance was evaluated in the same manner as above after being immersed for 5 minutes, 6 minutes, and 5 minutes. These results are shown in Table 1.

実施例2 実施例1に示したA処理品を水洗し風乾した後、紫外線
照射を行った。その条件は、超高圧水銀灯’6kWX3
灯、照射距離70crn1コンベアスピ一ド′5m/分
であった。実施例1と同様に、耐熱性及び耐溶剤性を評
価した。結果を表1に示す。
Example 2 The A-treated product shown in Example 1 was washed with water, air-dried, and then irradiated with ultraviolet rays. The conditions are an ultra-high pressure mercury lamp '6kW x 3
The lamp had an irradiation distance of 70 crn and a conveyor speed of 5 m/min. Heat resistance and solvent resistance were evaluated in the same manner as in Example 1. The results are shown in Table 1.

実施例6〜6 実施例1に示したA処理品を水洗し風乾してから、後処
理工程を変えて耐熱1生及び耐浴剤性を評価した。その
結果を表1に示す。
Examples 6 to 6 The A-treated products shown in Example 1 were washed with water and air-dried, and then the heat resistance and bath agent resistance were evaluated by changing the post-treatment process. The results are shown in Table 1.

表  1 注1 めっき及び水洗後の工程条件 熱処理°150℃、30分間 UV照射+6kWXl灯、照射距離7Qcrn。Table 1 Note 1 Process conditions after plating and water washing Heat treatment °150℃, 30 minutes UV irradiation + 6kWXl lamp, irradiation distance 7Qcrn.

コンベアスピード3□/分 2 面j溶剤性評価 ○ 異常なし  (良) △ 少し損傷(やや不良) × 損傷或は剥離(不良) 実施例7 ジアリルイソフタシートプレポリマー100重量部をメ
チルエチルケトン100重量部に溶解させた後、ビスフ
ェノールAにエチレンオキシド4モルを付加したものの
シアクリラード(商品名 BP−4EA、共栄社油脂製
)20重量部、ベンゾフェノン4重量部、4,4′−ビ
ス(ジメチルアミノ)ベンゾフェノン0.3重i部を加
えて感光性樹脂組成物をつくった。これを実施例1と同
様の方法で感光性レジストフィルムを作成した。この感
光性レジストフィルムを、実施例1と同様にして得た触
媒入り接着剤付き積層板の両面に熱圧着して張りつけた
。この板を実施例1と同様の方法で露光し現像した後、
150℃、60分間加熱し、引続き紫外線照射を行なっ
た。次に実施例1に示した組成の無電解銅めっき液でめ
っきを行った(これをB処理品とする)。B処理品を水
洗後150℃、60分間熱処理した。これを260℃の
ハンダ浴中に60秒間浸漬しだがレジスト皮膜には何ら
変化がみられなかった。実施例1と間際の方法で耐溶剤
性を評価した結果を表2に示す。
Conveyor speed 3□/min2 Surface j Solvent property evaluation ○ No abnormality (good) △ Slight damage (slightly poor) × Damage or peeling (poor) Example 7 100 parts by weight of diallyl isophthae sheet prepolymer and 100 parts by weight of methyl ethyl ketone 20 parts by weight of cyacrylate (trade name BP-4EA, manufactured by Kyoeisha Yushi), which is obtained by adding 4 moles of ethylene oxide to bisphenol A, 4 parts by weight of benzophenone, and 0.0 parts by weight of 4,4'-bis(dimethylamino)benzophenone. A photosensitive resin composition was prepared by adding 3 parts i. A photosensitive resist film was prepared from this in the same manner as in Example 1. This photosensitive resist film was attached to both sides of a catalyst-containing adhesive-coated laminate obtained in the same manner as in Example 1 by thermocompression bonding. After exposing and developing this plate in the same manner as in Example 1,
It was heated at 150° C. for 60 minutes and then irradiated with ultraviolet rays. Next, plating was performed using an electroless copper plating solution having the composition shown in Example 1 (this is referred to as a B-treated product). After washing the B-treated product with water, it was heat-treated at 150°C for 60 minutes. This was immersed in a 260° C. solder bath for 60 seconds, but no change was observed in the resist film. Table 2 shows the results of evaluating solvent resistance using a method similar to that of Example 1.

実施例8〜12 実施例7に示したB処理品を、めっきおよび水洗後の後
処理工程を変えて、実施例1と同様の方法で耐熱性およ
び耐溶剤性を評価した。結果を表2に示す。
Examples 8 to 12 The heat resistance and solvent resistance of the B-treated products shown in Example 7 were evaluated in the same manner as in Example 1, except that the post-treatment steps after plating and water washing were changed. The results are shown in Table 2.

表  2 注 処理条件および評価は表1に同じ 実施例13 ジアリルフタラードプレポリマー(商品名グイソーダツ
ブA1大阪曹達社製)100重量部をメチルエチルケト
ン100重量部に溶解させり後、テトラエチレングリコ
ールジアクリラート(商品名A−4G、新中村化学社製
)20重量部、k/ゾインイソプロビルエーテル5重量
部を加え感光性樹脂組成物とした。これを実施例1と同
様の方法で感光性レジストフィルムを作成し、実施例1
と同様にして得た触媒入り接着剤付き積層板の両面に熱
圧着して張りつけた。っこの板を実施例1と同様の方法
で露光し、現像した後、150℃60分間熱処理し、実
施例1に示した組成の無電解銅メッキ液でめっきを行っ
た。゛水洗後160℃で′50分間加熱処理すると、2
60℃のハンダ浴中に60秒間浸漬したが何ら変化がみ
られなかった。また実施例1と同様の方法で耐溶剤性を
評価した結果、トリクロロエチレンに1分間浸漬しても
異状は認められなかったが、5分間浸漬後ティシュバー
バーで強くこすった時には多少のキズが認められた。
Table 2 Note: Processing conditions and evaluations are the same as in Table 1. Example 13 After dissolving 100 parts by weight of diallylphthalade prepolymer (trade name: Guisodatsubu A1 manufactured by Osaka Soda Co., Ltd.) in 100 parts by weight of methyl ethyl ketone, tetraethylene glycol diacrylate was dissolved. (trade name A-4G, manufactured by Shin-Nakamura Chemical Co., Ltd.) 20 parts by weight and 5 parts by weight of k/zoin isopropyl ether were added to prepare a photosensitive resin composition. A photosensitive resist film was prepared from this in the same manner as in Example 1, and Example 1
Both sides of the catalyst-containing adhesive-coated laminate obtained in the same manner as above were bonded by thermocompression. This plate was exposed and developed in the same manner as in Example 1, then heat treated at 150° C. for 60 minutes, and plated with an electroless copper plating solution having the composition shown in Example 1.゛When heated at 160℃ for 50 minutes after washing with water, 2
Although it was immersed in a solder bath at 60°C for 60 seconds, no change was observed. Furthermore, as a result of evaluating the solvent resistance in the same manner as in Example 1, no abnormality was observed even after immersion in trichlorethylene for 1 minute, but some scratches were observed when rubbed strongly with a tissue bar after immersion for 5 minutes. Ta.

出願人 東京応化工業株式会社 代理人 弁理士 井 坂 實 夫 219−Applicant: Tokyo Ohka Kogyo Co., Ltd. Agent: Patent Attorney Minoru Isaka 219-

Claims (1)

【特許請求の範囲】 (イ)(I)分子量が約3,000〜約20,000の
範囲内にあるジアリルフタラードプレポリマー、(11
)光重合性単量体および(iii)光重合開始剤を主成
分として含有する感光性レジストフィルムを触媒入り接
着剤付き積層板に接合させ、 (ロ)前記感光性レジストフィルム」二に透明陰画を載
置し、 (ハ)前記透明陰画を通して前記感光性レジストフィル
ムに露光し、 に)露光後のパターニングされたレジストフィルムを熱
処理することなく現像するか、あるいは熱処]」し7た
後に現像し、 (ホ) 前記現像ずみレジストフィルムを熱処理あるい
は/および紫外線照射し、 (へ)ついで無電解銅めっきし、最後に(ト)紫外線照
射あるいは/および熱処理することを特徴とするプリン
ト配線板の製造方法。
Scope of Claims: (a) (I) a diallylphthalade prepolymer having a molecular weight within the range of about 3,000 to about 20,000, (11
) A photosensitive resist film containing a photopolymerizable monomer and (iii) a photopolymerization initiator as main components is bonded to a laminate with a catalyst-containing adhesive, and (b) a transparent negative is formed on the photosensitive resist film. (c) exposing the photosensitive resist film through the transparent negative; and (d) developing the exposed patterned resist film without heat treatment or after heat treatment. (e) heat-treating and/or irradiating the developed resist film with ultraviolet rays; (f) then electroless copper plating; and finally (g) irradiating ultraviolet rays and/or heat-treating the printed wiring board. Production method.
JP12063682A 1982-07-13 1982-07-13 Manufacture of printed wiring board Granted JPS5912434A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12063682A JPS5912434A (en) 1982-07-13 1982-07-13 Manufacture of printed wiring board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12063682A JPS5912434A (en) 1982-07-13 1982-07-13 Manufacture of printed wiring board

Publications (2)

Publication Number Publication Date
JPS5912434A true JPS5912434A (en) 1984-01-23
JPH0561791B2 JPH0561791B2 (en) 1993-09-07

Family

ID=14791120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12063682A Granted JPS5912434A (en) 1982-07-13 1982-07-13 Manufacture of printed wiring board

Country Status (1)

Country Link
JP (1) JPS5912434A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61109686A (en) * 1984-11-02 1986-05-28 松下電器産業株式会社 Industrial robot and related device
JPS62295487A (en) * 1986-06-16 1987-12-22 株式会社日立製作所 Manufacture of printed circuit board
JPS6364394A (en) * 1986-09-05 1988-03-22 株式会社日立製作所 Manufacture of printed wiring board
JPS6385538A (en) * 1986-09-29 1988-04-16 Asahi Chem Ind Co Ltd Photosettable laminated body and picture image forming method using thereof
JPH01109792A (en) * 1987-10-23 1989-04-26 Hitachi Condenser Co Ltd Printed wiring board
JPH0612536U (en) * 1991-12-27 1994-02-18 修一 関本 Formwork for foundation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4855926A (en) * 1971-11-15 1973-08-06
JPS52134643A (en) * 1976-05-04 1977-11-11 Gen Electric Photohardenable composition for coating
JPS5343081A (en) * 1976-09-29 1978-04-18 Deutsches Krebsforsch Largeescale apparatus for producing drinking water and*or irrigation water from brine
JPS5388956A (en) * 1976-12-22 1978-08-04 Du Pont Method of producing printed circuit element
JPS5638311A (en) * 1979-09-06 1981-04-13 Canon Inc Photosetting composition
JPS58199341A (en) * 1982-05-17 1983-11-19 Tokyo Ohka Kogyo Co Ltd Heat resistant photosensitive resin composition

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4855926A (en) * 1971-11-15 1973-08-06
JPS52134643A (en) * 1976-05-04 1977-11-11 Gen Electric Photohardenable composition for coating
JPS5343081A (en) * 1976-09-29 1978-04-18 Deutsches Krebsforsch Largeescale apparatus for producing drinking water and*or irrigation water from brine
JPS5388956A (en) * 1976-12-22 1978-08-04 Du Pont Method of producing printed circuit element
JPS5638311A (en) * 1979-09-06 1981-04-13 Canon Inc Photosetting composition
JPS58199341A (en) * 1982-05-17 1983-11-19 Tokyo Ohka Kogyo Co Ltd Heat resistant photosensitive resin composition

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61109686A (en) * 1984-11-02 1986-05-28 松下電器産業株式会社 Industrial robot and related device
JPS62295487A (en) * 1986-06-16 1987-12-22 株式会社日立製作所 Manufacture of printed circuit board
JPS6364394A (en) * 1986-09-05 1988-03-22 株式会社日立製作所 Manufacture of printed wiring board
JPS6385538A (en) * 1986-09-29 1988-04-16 Asahi Chem Ind Co Ltd Photosettable laminated body and picture image forming method using thereof
JPH01109792A (en) * 1987-10-23 1989-04-26 Hitachi Condenser Co Ltd Printed wiring board
JPH0612536U (en) * 1991-12-27 1994-02-18 修一 関本 Formwork for foundation

Also Published As

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