JP2022100843A - レジストの形成方法 - Google Patents
レジストの形成方法 Download PDFInfo
- Publication number
- JP2022100843A JP2022100843A JP2020215069A JP2020215069A JP2022100843A JP 2022100843 A JP2022100843 A JP 2022100843A JP 2020215069 A JP2020215069 A JP 2020215069A JP 2020215069 A JP2020215069 A JP 2020215069A JP 2022100843 A JP2022100843 A JP 2022100843A
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- Prior art keywords
- resist
- resin layer
- photosensitive resin
- substrate
- layer
- 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
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Images
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Abstract
Description
ポリビニルアルコール(クラレポバール(登録商標)44-88)を準備し、5質量部に対して95質量部の水を加え、温水で攪拌することで溶解させ、剥離層用塗液であるポリビニルアルコール水溶液を得た。
100質量部のo-クレゾールノボラック樹脂(質量平均分子量44,000)と30質量部の2,3,4-トリヒドロキシベンゾフェノンのナフトキノンジアジドスルホン酸エステルを、エチレングリコールモノメチルエーテルアセテート300質量部に溶解した後、この溶液をメンブレンフィルター(孔径1μm)にてろ過して、ポジ型感光性樹脂層用塗液を得た。
ネガ型ドライフィルムレジストとして、ケミカルミーリング用ドライフィルムレジストMS9025(三菱製紙株式会社製)を用意した。また、フレキシブル基板(基板2、銅厚20μm/ポリイミドフィルム厚90μm、158mm幅、20m長)を用意した。孔1として、基板2の端面から5mmのところに一辺1.2mmの正方形のスプロケットホールを3mm間隔で形成した。上記ネガ型ドライフィルムレジストを孔1全体が被覆されるようにラミネートした。ラミネートには、一般的なプリント基板用ラミネーターを用いた。ラミネート条件は、ロール温度90℃、搬送速度0.5m/min、圧力0.2MPaであった。
2 基板
3 金属層
4 絶縁樹脂層
5 ポジ型ドライフィルムレジスト
6 支持体フィルム
7 剥離層
8 ポジ型感光性樹脂層
9 孔上のポジ型感光性樹脂層
Claims (1)
- 孔を有する基板上に、支持体フィルム、剥離層、ポジ型感光性樹脂層をこの順に含むポジ型ドライフィルムレジストを貼り付ける工程(1)、支持体フィルム及び剥離層を除去すると同時に孔上のポジ型感光性樹脂層を剥離層に付着させて同時に除去する工程(2)を有するレジストの形成方法。
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JP2002341525A (ja) | 2001-05-14 | 2002-11-27 | Fuji Photo Film Co Ltd | ポジ型フォトレジスト転写材料およびそれを用いた基板表面の加工方法 |
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