STAINLESS STEEL SHEET FOR PHOTOETCHING-PROCESSING AND MANUFACTURING METHOD THEREFOR

PROBLEM TO BE SOLVED: To provide a stainless steel sheet for photoetching-processing providing good flattening, little warping after etching and also, excellent stickness with photoresisting film and further, excellent spring-limited value.SOLUTION: The stainless steel sheet is manufactured, with wh...

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Bibliographische Detailangaben
Hauptverfasser:	OKUI TOSHIYUKI, HIRAHARA KAZUO, SHIBUYA MASAYUKI, FUJISAWA KAZUYOSHI, KITA ISATO
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a stainless steel sheet for photoetching-processing providing good flattening, little warping after etching and also, excellent stickness with photoresisting film and further, excellent spring-limited value.SOLUTION: The stainless steel sheet is manufactured, with which after applying cold-rolling (temper-rolling) at ≥10% rolling-reduction ratio to the stainless steel sheet having the chemical components composed of ≤0.15% C, ≤1% Si, ≤2% Mn, ≤0.045% P, ≤0.03% S, 5-15% Ni, 15-25% Cr, 0.02-0.2% N, 0-3% Mo, 0-3% Cu, 0-0.5% the total of one or more elements selected from the group of Ti, Nb and V, and the balance Fe with impurities, a reformation is performed with a tension-leveler and a heat-treatment is applied in the temperature range of 700-800°C for