Inventor
KALK FRANKLIN D
US10 patents
⚠️ This page may combine multiple inventors who share the name “KALK FRANKLIN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DUPONT PHOTOMASKS INC
3 patentsUS6841312B1Jan 11, 2005
Method and apparatus for coupling a pellicle assembly to a photomask
DUPONT PHOTOMASKS INC33 citations91
US6841309B1Jan 11, 2005
Damage resistant photomask construction
DUPONT PHOTOMASKS INC45 citations88
US6803160B2Oct 12, 2004
Multi-tone photomask and method for manufacturing the same
DUPONT PHOTOMASKS INC7 citations65