Etching a succession of articles from a strip of sheet metal

Details Etching a succession of articles from a strip of sheet metal Etching a succession of articles from a strip of sheet metal

1977-10-06

1978-11-21

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156345, 156640, 156644, 156659, C23F 102

Patent

active

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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