Assignee
PHOTRONICS INC
US·47 granted patents·9 pending applications·491 citations·filing 1998–2025
Top patents by PatentIndex Score
56 records- 0195US6472107B1Disposable hard mask for photomask plasma etchingPHOTRONICS INC·Filed 1999·Granted Oct 29, 2002·100 cites·11 claims
- 0290US7851110B2Secure photomask with blocking aperturePHOTRONICS INC·Filed 2008·Granted Dec 14, 2010·11 cites·14 claims
- 0388US7473500B2Binary half tone photomasks and microscopic three-dimensional devices and method of fabricating the samePHOTRONICS INC·Filed 2006·Granted Jan 6, 2009·9 cites·31 claims
- 0487US12282257B2Pellicle for flat panel display photomaskPHOTRONICS INC·Filed 2024·Granted Apr 22, 2025·0 cites·19 claims
- 0587US9304334B2Microfluidic thermoptic energy processorPHOTRONICS INC·Filed 2014·Granted Apr 5, 2016·5 cites·18 claims
- 0685US11183410B2Pellicle removal toolPHOTRONICS INC·Filed 2018·Granted Nov 23, 2021·4 cites·16 claims
- 0785US6828068B2Binary half tone photomasks and microscopic three-dimensional devices and method of fabricating the samePHOTRONICS INC·Filed 2003·Granted Dec 7, 2004·36 cites·92 claims
- 0884US6524754B2Fused silica pelliclePHOTRONICS INC·Filed 2001·Granted Feb 25, 2003·39 cites·36 claims
- 0983US7910269B2Photomask with detector for optimizing an integrated circuit production process and method of manufacturing an integrated circuit using the samePHOTRONICS INC·Filed 2010·Granted Mar 22, 2011·3 cites·20 claims
- 1083US7790340B2Photomask with detector for optimizing an integrated circuit production process and method of manufacturing an integrated circuit using the samePHOTRONICS INC·Filed 2007·Granted Sep 7, 2010·5 cites·61 claims
- 1182US6996450B2Automated manufacturing system and method for processing photomasksPHOTRONICS INC·Filed 2004·Granted Feb 7, 2006·29 cites·18 claims
- 1282US6760640B2Automated manufacturing system and method for processing photomasksPHOTRONICS INC·Filed 2002·Granted Jul 6, 2004·30 cites·30 claims
- 1381US12249528B2Pellicle removal toolPHOTRONICS INC·Filed 2024·Granted Mar 11, 2025·0 cites·13 claims
- 1481US12013642B2Pellicle for flat panel display photomaskPHOTRONICS INC·Filed 2022·Granted Jun 18, 2024·0 cites·21 claims
- 1581US7356374B2Comprehensive front end method and system for automatically generating and processing photomask ordersPHOTRONICS INC·Filed 2005·Granted Apr 8, 2008·11 cites·20 claims
- 1679US7480539B2Automated manufacturing system and method for processing photomasksPHOTRONICS INC·Filed 2005·Granted Jan 20, 2009·8 cites·5 claims
- 1779US2025199410A1Pellicle for flat panel display photomaskPHOTRONICS INC·Filed 2025·Application pending·0 cites
- 1878US11948824B2Pellicle removal toolPHOTRONICS INC·Filed 2023·Granted Apr 2, 2024·0 cites·16 claims
- 1978US7074530B2Binary half tone photomasks and microscopic three-dimensional devices and method of fabricating the samePHOTRONICS INC·Filed 2004·Granted Jul 11, 2006·13 cites·26 claims
- 2078US6749974B2Disposable hard mask for photomask plasma etchingPHOTRONICS INC·Filed 2002·Granted Jun 15, 2004·12 cites·11 claims
- 2177US2025130489A1System, method, and program product for manufacturing a photomaskPHOTRONICS INC·Filed 2024·Application pending·0 cites
- 2276US6682861B2Disposable hard mask for phase shift photomask plasma etchingPHOTRONICS INC·Filed 2003·Granted Jan 27, 2004·14 cites·45 claims
- 2375US11537050B2Pellicle for flat panel display photomaskPHOTRONICS INC·Filed 2021·Granted Dec 27, 2022·0 cites·19 claims
- 2475US6842881B2Rule based system and method for automatically generating photomask orders in a specified order formatPHOTRONICS INC·Filed 2002·Granted Jan 11, 2005·29 cites·117 claims
- 2575US6472766B2Step maskPHOTRONICS INC·Filed 2001·Granted Oct 29, 2002·18 cites·16 claims
- 2674US2025191952A1Pellicle removal toolPHOTRONICS INC·Filed 2025·Application pending·0 cites
- 2771US11682573B2Pellicle removal toolPHOTRONICS INC·Filed 2021·Granted Jun 20, 2023·0 cites·12 claims
- 2869US7640529B2User-friendly rule-based system and method for automatically generating photomask ordersPHOTRONICS INC·Filed 2004·Granted Dec 29, 2009·13 cites·24 claims
- 2969US6908716B2Disposable hard mask for photomask plasma etchingPHOTRONICS INC·Filed 2004·Granted Jun 21, 2005·7 cites·35 claims
- 3068US11119403B2Pellicle for flat panel display photomaskPHOTRONICS INC·Filed 2019·Granted Sep 14, 2021·0 cites·19 claims
- 3168US6855463B2Photomask having an intermediate inspection film layerPHOTRONICS INC·Filed 2002·Granted Feb 15, 2005·12 cites·72 claims
- 3268US6562549B2Method of manufacturing photomasks by plasma etching with resist strippedPHOTRONICS INC·Filed 2002·Granted May 13, 2003·11 cites·31 claims
- 3363US9933611B2Microfluidic thermoptic energy processorPHOTRONICS INC·Filed 2016·Granted Apr 3, 2018·1 cites·16 claims
- 3462US12164225B2System, method, and program product for manufacturing a photomaskPHOTRONICS INC·Filed 2021·Granted Dec 10, 2024·0 cites·18 claims
- 3562US6567588B2Method for fabricating chirped fiber bragg gratingsPHOTRONICS INC·Filed 2001·Granted May 20, 2003·11 cites·5 claims
- 3662US6537708B2Electrical critical dimension measurements on photomasksPHOTRONICS INC·Filed 2001·Granted Mar 25, 2003·6 cites·17 claims
- 3762US2023259016A1System, method and program product for improving accuracy of photomask based compensation in flat panel display lithographyPHOTRONICS INC·Filed 2023·Application pending·0 cites
- 3862US2023305385A1System, method and program product for photomask surface treatmentPHOTRONICS INC·Filed 2023·Application pending·0 cites
- 3960US6406818B1Method of manufacturing photomasks by plasma etching with resist strippedPHOTRONICS INC·Filed 1999·Granted Jun 18, 2002·21 cites·22 claims
- 4059US2005060680A1Rule based system and method for automatically generating photomask orders in a specified order formatPHOTRONICS INC·Filed 2004·Application pending·0 cites
- 4158US2023305384A1Low intensity photomask and system, method and program product for making low intensity photomask for use in flat panel display lithographyPHOTRONICS INC·Filed 2023·Application pending·0 cites
- 4256US7396617B2Photomask reticle having multiple versions of the same mask pattern with different biasesPHOTRONICS INC·Filed 2004·Granted Jul 8, 2008·6 cites·23 claims
- 4354US7312004B2Embedded attenuated phase shift mask with tunable transmissionPHOTRONICS INC·Filed 2004·Granted Dec 25, 2007·5 cites·21 claims
- 4454US7049034B2Photomask having an internal substantially transparent etch stop layerPHOTRONICS INC·Filed 2003·Granted May 23, 2006·5 cites·35 claims
- 4552US6686103B2Fused silica pelliclePHOTRONICS INC·Filed 2002·Granted Feb 3, 2004·4 cites·4 claims
- 4651US7943273B2Photomask with detector for optimizing an integrated circuit production process and method of manufacturing an integrated circuit using the samePHOTRONICS INC·Filed 2008·Granted May 17, 2011·0 cites·17 claims
- 4750US2014146636A1Mixer chipPHOTRONICS INC·Filed 2013·Application pending·0 cites
- 4849US6868209B2Method for fabricating chirped fiber Bragg gratingsPHOTRONICS INC·Filed 2003·Granted Mar 15, 2005·4 cites·81 claims
- 4948US7344824B2Alternating aperture phase shift photomask having light absorption layerPHOTRONICS INC·Filed 2004·Granted Mar 18, 2008·1 cites·12 claims
- 5047US7435533B2Method of forming a semiconductor layer using a photomask reticle having multiple versions of the same mask pattern with different biasesPHOTRONICS INC·Filed 2004·Granted Oct 14, 2008·3 cites·10 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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