Cupertino, California
United States
180
2025-01-16
The entities that hold a legal rights for patent applications filed by inventor Kumar Ajay:
Ajay Kumar from Cupertino, US has applied for patents for these inventions. The list has both pending applications and granted patents:
WAFER DICING USING FEMTOSECOND-BASED LASER AND PLASMA ETCH
#2 | 2023-06-29Wafer dicing using femtosecond-based laser and plasma etch
#3 | 2021-05-06Wafer dicing using femtosecond-based laser and plasma etch
#4 | 2020-09-10Wafer dicing using femtosecond-based laser and plasma etch
#5 | 2020-08-13TRANSFER ARM FOR FILM FRAME SUBSTRATE HANDLING DURING PLASMA SINGULATION OF WAFERS
#6 | 2020-04-16Wafer dicing using femtosecond-based laser and plasma etch
#7 | 2020-03-19Wafer dicing using hybrid laser scribing and plasma etch approach with intermediate breakthrough treatment
#8 | 2019-09-26Mitigation of particle contamination for wafer dicing processes
#9 | 2019-09-12Hybrid wafer dicing approach using a multiple pass laser scribing process and plasma etch process
#10 | 2019-03-28APPARATUS AND METHODS FOR DRY ETCH WITH EDGE, SIDE AND BACK PROTECTION
#11 | 2019-03-21Wafer dicing using femtosecond-based laser and plasma etch
#12 | 2018-12-06Mitigation of particle contamination for wafer dicing processes
#13 | 2018-11-29Light-absorbing mask for hybrid laser scribing and plasma etch wafer singulation process
#14 | 2018-08-09Hybrid wafer dicing approach using a split beam laser scribing process and plasma etch process
#15 | 2017-10-17Etch mask for hybrid laser scribing and plasma etch wafer singulation process
#16 | 2017-09-28Hybrid wafer dicing approach using a rotating beam laser scribing process and plasma etch process
#17 | 2017-09-07Hybrid wafer dicing approach using a split beam laser scribing process and plasma etch process
#18 | 2016-12-15Etch-resistant water soluble mask for hybrid wafer dicing using laser scribing and plasma etch
#19 | 2016-11-10Method for improving CD micro-loading in photomask plasma etching
#20 | 2016-10-27UV-cure pre-treatment of carrier film for wafer dicing using hybrid laser scribing and plasma etch approach
#21 | 2016-07-07HYBRID WAFER DICING APPROACH USING A POLYGON SCANNING-BASED LASER SCRIBING PROCESS AND PLASMA ETCH PROCESS
#22 | 2016-06-23DYNAMIC ION RADICAL SIEVE AND ION RADICAL APERTURE FOR AN INDUCTIVELY COUPLED PLASMA (ICP) REACTOR
#23 | 2016-05-31Hybrid wafer dicing approach using a line shaped laser beam profile laser scribing process and plasma etch process
#24 | 2016-05-19Wafer dicing using femtosecond-based laser and plasma etch
#25 | 2016-05-12Transfer arm for film frame substrate handling during plasma singulation of wafers
#26 | 2016-05-03Hybrid wafer dicing approach using a galvo scanner and linear stage hybrid motion laser scribing process and plasma etch process
#27 | 2016-03-24Proximity contact cover ring for plasma dicing
#28 | 2016-03-24Hybrid wafer dicing approach using an adaptive optics-controlled laser scribing process and plasma etch process
#29 | 2016-03-03Methods and apparatus for controlling photoresist line width roughness with enhanced electron spin control
#30 | 2016-02-18Method of outgassing a mask material deposited over a workpiece in a process tool
#31 | 2016-02-11Plasma reactor having an array of plural individually controlled gas injectors arranged along a circular side wall
#32 | 2016-02-04Multi-layer mask including non-photodefinable laser energy absorbing layer for substrate dicing by laser and plasma etch
#33 | 2016-01-28Hybrid wafer dicing approach using a rectangular shaped two-dimensional top hat laser beam profile or a linear shaped one-dimensional top hat laser beam profile laser scribing process and plasma etch process
#34 | 2016-01-26Hybrid wafer dicing approach using a bessel beam shaper laser scribing process and plasma etch process
#35 | 2015-11-24Hybrid wafer dicing approach using a phase modulated laser beam profile laser scribing process and plasma etch process
#36 | 2015-11-19CARRIER WITH THERMALLY RESISTANT FILM FRAME FOR SUPPORTING WAFER DURING SINGULATION
#37 | 2015-11-03Hybrid wafer dicing approach using laser scribing process based on an elliptical laser beam profile or a spatio-temporal controlled laser beam profile
#38 | 2015-10-29Dicing tape protection for wafer dicing using laser scribe process
#39 | 2015-10-29Wafer edge warp suppression for thin wafer supported by tape frame
#40 | 2015-10-22Dicing wafers having solder bumps on wafer backside
#41 | 2015-10-20Method of die singulation using laser ablation and induction of internal defects with a laser
#42 | 2015-10-15Water soluble mask formation by dry film lamination
#43 | 2015-10-13Vacuum lamination of polymeric dry films for wafer dicing using hybrid laser scribing and plasma etch approach
#44 | 2015-10-08HYBRID WAFER DICING APPROACH USING COLLIMATED LASER SCRIBING PROCESS AND PLASMA ETCH
#45 | 2015-10-01Dicing processes for thin wafers with bumps on wafer backside
#46 | 2015-09-22Wafer dicing using hybrid laser scribing and plasma etch approach with mask application by vacuum lamination
#47 | 2015-09-10APPROACHES FOR CLEANING A WAFER DURING HYBRID LASER SCRIBING AND PLASMA ETCHING WAFER DICING PROCESSES
#48 | 2015-09-10Baking tool for improved wafer coating process
#49 | 2015-09-08Bi-layer wafer-level underfill mask for wafer dicing and approaches for performing wafer dicing
#50 | 2015-09-08Hybrid dicing process using a blade and laser
#51 | 2015-08-27HYBRID WAFER DICING APPROACH USING TEMPORALLY-CONTROLLED LASER SCRIBING PROCESS AND PLASMA ETCH
#52 | 2015-08-18Dicing tape thermal management by wafer frame support ring cooling during plasma dicing
#53 | 2015-08-06Wafer coating
#54 | 2015-07-30Water soluble mask formation by dry film vacuum lamination for laser and plasma dicing
#55 | 2015-07-30Method of wafer dicing using hybrid laser scribing and plasma etch approach with mask plasma treatment for improved mask etch resistance
#56 | 2015-07-28Singulation of wafers having wafer-level underfill
#57 | 2015-07-16LASER SCRIBING AND PLASMA ETCH FOR HIGH DIE BREAK STRENGTH AND CLEAN SIDEWALL
#58 | 2015-07-07Residue removal from singulated die sidewall
#59 | 2015-06-11Method and carrier for dicing a wafer
#60 | 2015-06-11Screen print mask for laser scribe and plasma etch wafer dicing process
#61 | 2015-05-07LASER AND PLASMA ETCH WAFER DICING WITH A DOUBLE SIDED UV-CURABLE ADHESIVE FILM
#62 | 2015-04-28Wafer dicing using hybrid laser scribing and plasma etch approach with intermediate reactive post mask-opening clean
#63 | 2015-04-23Maskless hybrid laser scribing and plasma etching wafer dicing process
#64 | 2015-04-23Maskless hybrid laser scribing and plasma etching wafer dicing process
#65 | 2015-04-21Wafer dicing using hybrid laser scribing and plasma etch approach with intermediate non-reactive post mask-opening clean
#66 | 2015-04-16Method and apparatus for dicing wafers having thick passivation polymer layer
#67 | 2015-04-16METHOD OF DICED WAFER TRANSPORTATION
#68 | 2015-04-07Pre-patterned dry laminate mask for wafer dicing processes
#69 | 2015-04-02Electrodes for etch
#70 | 2015-03-31Wafer coating
#71 | 2015-03-19Wafer dicing from wafer backside and front side
#72 | 2015-03-19ALTERNATING MASKING AND LASER SCRIBING APPROACH FOR WAFER DICING USING LASER SCRIBING AND PLASMA ETCH
#73 | 2015-03-17Substrate patterning using hybrid laser scribing and plasma etching processing schemes
#74 | 2015-03-10Laser-dominated laser scribing and plasma etch hybrid wafer dicing
#75 | 2015-03-05Wafer dicing method for improving die packaging quality
#76 | 2015-02-05METHOD AND SYSTEM FOR LASER FOCUS PLANE DETERMINATION IN A LASER SCRIBING PROCESS
#77 | 2015-01-29WAFER DICING WITH WIDE KERF BY LASER SCRIBING AND PLASMA ETCHING HYBRID APPROACH
#78 | 2015-01-13Water soluble mask formation by dry film lamination
#79 | 2015-01-08LASER SCRIBING AND PLASMA ETCH FOR HIGH DIE BREAK STRENGTH AND SMOOTH SIDEWALL
#80 | 2015-01-06Water soluble mask formation by dry film vacuum lamination for laser and plasma dicing
#81 | 2014-12-25Method of coating water soluble mask for laser scribing and plasma etch
#82 | 2014-12-18Methods for reducing line width roughness and/or critical dimension nonuniformity in a patterned photoresist layer
#83 | 2014-12-18Photoresist treatment method by low bombardment plasma
#84 | 2014-12-18Wafer dicing using femtosecond-based laser and plasma etch
#85 | 2014-12-16Wafer edge warp supression for thin wafer supported by tape frame
#86 | 2014-12-16Dicing wafers having solder bumps on wafer backside
#87 | 2014-12-11LASER, PLASMA ETCH, AND BACKSIDE GRIND PROCESS FOR WAFER DICING
#88 | 2014-12-04CHARGED BEAM PLASMA APPARATUS FOR PHOTOMASK MANUFACTURE APPLICATIONS
#89 | 2014-11-27Wafer dicing with wide kerf by laser scribing and plasma etching hybrid approach
#90 | 2014-11-13METHODS FOR ETCHING A SUBSTRATE
#91 | 2014-11-11Approaches for cleaning a wafer during hybrid laser scribing and plasma etching wafer dicing processes
#92 | 2014-09-18Method for improving CD micro-loading in photomask plasma etching
#93 | 2014-09-18SUBSTRATE LASER DICING MASK INCLUDING LASER ENERGY ABSORBING WATER-SOLUBLE FILM
#94 | 2014-09-11Method and apparatus for high efficiency gas dissociation in inductive coupled plasma reactor
#95 | 2014-09-11Apparatus and methods for fabricating a photomask substrate for EUV applications
#96 | 2014-09-11CONTAMINATION PREVENTION FOR PHOTOMASK IN EXTREME ULTRAVIOLET LITHOGRAPHY APPLICATION
#97 | 2014-07-31Substrate dicing by laser ablation and plasma etch damage removal for ultra-thin wafers
#98 | 2014-07-31Wafer dicing with etch chamber shield ring for film frame wafer applications
#99 | 2014-07-10METHOD AND APPARATUS FOR PHOTOMASK PLASMA ETCHING
#100 | 2014-06-26Wafer dicing from wafer backside
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