Etching a succession of articles from a strip of sheet metal

Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step

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156345, 156640, 156644, 156659, C23F 102

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041265106

ABSTRACT:
When precision etching a succession of articles from a strip of metal having random variations in thickness and moving along a prescribed path, the thickness of the metal strip is monitored, and the etching step is adjusted in response to the monitored thickness to compensate for the thickness variations.

REFERENCES:
patent: 3032753 (1962-05-01), Knapp et al.
patent: 3503817 (1970-03-01), Radimer
patent: 3553052 (1971-01-01), Jubb
IBM Technical Disclosure Bulletin, vol. 17, No. 7, Dec. 1974, Multiple Sensor, End-Point Etch Detect System by Dhaliwal et al., pp. 1946-1947.
IBM Technical Disclosure Bulletin, vol. 15, No. 3, Aug. 1972, Detection of Etch Completion of Interconnection Metallurgy, by Ganguke et al., pp. 713-714.

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