John E. Buzerak - Poughquag NY Greg A. Fariss - Poughkeepsie NY Glenn E. Storm - Ridgefield CT
Assignee:
DuPont Photomasks, Inc. - Round Rock TX
International Classification:
G03F 900
US Classification:
430 5, 156267, 1562728
Abstract:
A method and apparatus for trimming a pellicle film using a laser are disclosed. A laser trimming assembly includes a modified laser-cutting head coupled to a laser. The laser includes a laser beam for trimming a pellicle film that extends beyond a perimeter of a pellicle frame. The modified laser-cutting head includes a nozzle and at least one hose port located on the nozzle. The hose port may receive a vacuum hose for removing particulate matter created during a trimming process.
John E. Buzerak - Poughquag NY Robert J. Bedard - Southbury CT Janniah S. Prasad - Norwalk CT Charles L. Putnam - Fairfield CT Lester Miller - Danbury CT Steven I. Becker - Bergen NJ James Coleman - Richmond, GB2
Assignee:
American Cyanamid Co. - Wayne NJ
International Classification:
A61B 1700
US Classification:
606223
Abstract:
A laparoscopic suturing device includes a suturing needle and a driver for manipulating the needle. The suturing needle features a helically-wound front-end portion with a needle point at its proximal end for penetrating tissue and a rear-end portion connected to the driver. The slender design of the suturing device is ideally suited for minimally-invasive surgery.
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