Inventor
YALAMANCHILI MADHAVA RAO
US39 patents
⚠️ This page may combine multiple inventors who share the name “YALAMANCHILI MADHAVA RAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPLIED MATERIALS INC
25 patentsUS8853056B2Oct 7, 2014
Wafer dicing using femtosecond-based laser and plasma etch
APPLIED MATERIALS INC9 citations93
US8845854B2Sep 30, 2014
Laser, plasma etch, and backside grind process for wafer dicing
APPLIED MATERIALS INC31 citations93
US8883614B1Nov 11, 2014
Wafer dicing with wide kerf by laser scribing and plasma etching hybrid approach
APPLIED MATERIALS INC27 citations90
US9252057B2Feb 2, 2016
Laser and plasma etch wafer dicing with partial pre-curing of UV release dicing tape for film frame wafer application
APPLIED MATERIALS INC7 citations84
US9177864B2Nov 3, 2015
Method of coating water soluble mask for laser scribing and plasma etch
APPLIED MATERIALS INC5 citations84
US8969177B2Mar 3, 2015
Laser and plasma etch wafer dicing with a double sided UV-curable adhesive film
APPLIED MATERIALS INC17 citations84
US8652940B2Feb 18, 2014
Wafer dicing used hybrid multi-step laser scribing process with plasma etch
APPLIED MATERIALS INC9 citations84
US11621194B2Apr 4, 2023
Wafer dicing using femtosecond-based laser and plasma etch
APPLIED MATERIALS INC1 citations73
US10566238B2Feb 18, 2020
Wafer dicing using femtosecond-based laser and plasma etch
APPLIED MATERIALS INC1 citations73
US9620379B2Apr 11, 2017
Multi-layer mask including non-photodefinable laser energy absorbing layer for substrate dicing by laser and plasma etch
APPLIED MATERIALS INC3 citations73
US9054176B2Jun 9, 2015
Multi-step and asymmetrically shaped laser beam scribing
APPLIED MATERIALS INC4 citations73
US8993414B2Mar 31, 2015
Laser scribing and plasma etch for high die break strength and clean sidewall
APPLIED MATERIALS INC6 citations73
US8980726B2Mar 17, 2015
Substrate dicing by laser ablation and plasma etch damage removal for ultra-thin wafers
APPLIED MATERIALS INC6 citations73
US8946057B2Feb 3, 2015
Laser and plasma etch wafer dicing using UV-curable adhesive film
APPLIED MATERIALS INC6 citations71
US12131952B2Oct 29, 2024
Wafer dicing using femtosecond-based laser and plasma etch
APPLIED MATERIALS INC0 citations63
US10910271B2Feb 2, 2021
Wafer dicing using femtosecond-based laser and plasma etch
APPLIED MATERIALS INC0 citations63
US10163713B2Dec 25, 2018
Wafer dicing using femtosecond-based laser and plasma etch
APPLIED MATERIALS INC1 citations63
US9245802B2Jan 26, 2016
Wafer dicing using femtosecond-based laser and plasma etch
APPLIED MATERIALS INC1 citations63
US9105710B2Aug 11, 2015
Wafer dicing method for improving die packaging quality
APPLIED MATERIALS INC2 citations63
US8975162B2Mar 10, 2015
Wafer dicing from wafer backside
APPLIED MATERIALS INC2 citations63
US8846498B2Sep 30, 2014
Wafer dicing using hybrid multi-step laser scribing process with plasma etch
APPLIED MATERIALS INC2 citations63
US11915932B2Feb 27, 2024
Plasma etching of mask materials
APPLIED MATERIALS INC0 citations55
US10714390B2Jul 14, 2020
Wafer dicing using femtosecond-based laser and plasma etch
APPLIED MATERIALS INC0 citations52
US9224625B2Dec 29, 2015
Laser and plasma etch wafer dicing using water-soluble die attach film
APPLIED MATERIALS INC1 citations52
US9218992B2Dec 22, 2015
Hybrid laser and plasma etch wafer dicing using substrate carrier
APPLIED MATERIALS INC1 citations52
LEI WEI-SHENG
10 patentsUS8642448B2Feb 4, 2014
Wafer dicing using femtosecond-based laser and plasma etch
LEI WEI-SHENG23 citations96
US9018079B1Apr 28, 2015
Wafer dicing using hybrid laser scribing and plasma etch approach with intermediate reactive post mask-opening clean
LEI WEI-SHENG26 citations93
US8507363B2Aug 13, 2013
Laser and plasma etch wafer dicing using water-soluble die attach film
LEI WEI-SHENG24 citations92
US8703581B2Apr 22, 2014
Water soluble mask for substrate dicing by laser and plasma etch
LEI WEI-SHENG13 citations84
US8557683B2Oct 15, 2013
Multi-step and asymmetrically shaped laser beam scribing
LEI WEI-SHENG6 citations84
US9263308B2Feb 16, 2016
Water soluble mask for substrate dicing by laser and plasma etch
LEI WEI-SHENG3 citations73
US8951819B2Feb 10, 2015
Wafer dicing using hybrid split-beam laser scribing process with plasma etch
LEI WEI-SHENG6 citations73
US8859397B2Oct 14, 2014
Method of coating water soluble mask for laser scribing and plasma etch
LEI WEI-SHENG4 citations73
US9129904B2Sep 8, 2015
Wafer dicing using pulse train laser with multiple-pulse bursts and plasma etch
LEI WEI-SHENG3 citations63
US9126285B2Sep 8, 2015
Laser and plasma etch wafer dicing using physically-removable mask
LEI WEI-SHENG0 citations42