Membership
Tour
Register
Log in
Madhava Rao Yalamanchili
Follow
Person
Morgan Hill, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Wafer dicing using femtosecond-based laser and plasma etch
Patent number
12,131,952
Issue date
Oct 29, 2024
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Plasma etching of mask materials
Patent number
11,915,932
Issue date
Feb 27, 2024
Applied Materials, Inc.
Toi Yue Becky Leung
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wafer dicing using femtosecond-based laser and plasma etch
Patent number
11,621,194
Issue date
Apr 4, 2023
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wafer dicing using femtosecond-based laser and plasma etch
Patent number
10,910,271
Issue date
Feb 2, 2021
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wafer dicing using femtosecond-based laser and plasma etch
Patent number
10,714,390
Issue date
Jul 14, 2020
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wafer dicing using femtosecond-based laser and plasma etch
Patent number
10,566,238
Issue date
Feb 18, 2020
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wafer dicing using femtosecond-based laser and plasma etch
Patent number
10,163,713
Issue date
Dec 25, 2018
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Multi-layer mask including non-photodefinable laser energy absorbin...
Patent number
9,620,379
Issue date
Apr 11, 2017
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Water soluble mask for substrate dicing by laser and plasma etch
Patent number
9,263,308
Issue date
Feb 16, 2016
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Laser and plasma etch wafer dicing with partial pre-curing of UV re...
Patent number
9,252,057
Issue date
Feb 2, 2016
Applied Materials, Inc.
Mohammad Kamruzzaman Chowdhury
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wafer dicing using femtosecond-based laser and plasma etch
Patent number
9,245,802
Issue date
Jan 26, 2016
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Laser and plasma etch wafer dicing using water-soluble die attach film
Patent number
9,224,625
Issue date
Dec 29, 2015
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Hybrid laser and plasma etch wafer dicing using substrate carrier
Patent number
9,218,992
Issue date
Dec 22, 2015
Applied Materials, Inc.
Saravjeet Singh
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of coating water soluble mask for laser scribing and plasma...
Patent number
9,177,864
Issue date
Nov 3, 2015
Applied Materials, Inc.
Wei-Sheng Lei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wafer dicing using pulse train laser with multiple-pulse bursts and...
Patent number
9,129,904
Issue date
Sep 8, 2015
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Laser and plasma etch wafer dicing using physically-removable mask
Patent number
9,126,285
Issue date
Sep 8, 2015
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wafer dicing method for improving die packaging quality
Patent number
9,105,710
Issue date
Aug 11, 2015
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Multi-step and asymmetrically shaped laser beam scribing
Patent number
9,054,176
Issue date
Jun 9, 2015
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Uniform masking for wafer dicing using laser and plasma etch
Patent number
9,048,309
Issue date
Jun 2, 2015
Applied Materials, Inc.
Mohammad Kamruzzaman Chowdhury
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Increased deposition efficiency and higher chamber conductance with...
Patent number
9,023,227
Issue date
May 5, 2015
Applied Materials, Inc.
Jivko Dinev
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wafer dicing using hybrid laser scribing and plasma etch approach w...
Patent number
9,018,079
Issue date
Apr 28, 2015
Applied Materials, Inc.
Wei-Sheng Lei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Laser scribing and plasma etch for high die break strength and clea...
Patent number
8,993,414
Issue date
Mar 31, 2015
Applied Materials, Inc.
Brad Eaton
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Substrate dicing by laser ablation and plasma etch damage removal f...
Patent number
8,980,726
Issue date
Mar 17, 2015
Applied Materials, Inc.
Wei-Sheng Lei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wafer dicing from wafer backside
Patent number
8,975,162
Issue date
Mar 10, 2015
Applied Materials, Inc.
Wei-Sheng Lei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Laser and plasma etch wafer dicing with a double sided UV-curable a...
Patent number
8,969,177
Issue date
Mar 3, 2015
Applied Materials, Inc.
Mohammad Kamruzzaman Chowdhury
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wafer dicing using hybrid split-beam laser scribing process with pl...
Patent number
8,951,819
Issue date
Feb 10, 2015
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Laser and plasma etch wafer dicing using UV-curable adhesive film
Patent number
8,946,057
Issue date
Feb 3, 2015
Applied Materials, Inc.
Wei-Sheng Lei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Hybrid laser and plasma etch wafer dicing using substrate carrier
Patent number
8,912,077
Issue date
Dec 16, 2014
Applied Materials, Inc.
Saravjeet Singh
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wafer dicing with wide kerf by laser scribing and plasma etching hy...
Patent number
8,883,614
Issue date
Nov 11, 2014
Applied Materials, Inc.
Wei-Sheng Lei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of coating water soluble mask for laser scribing and plasma...
Patent number
8,859,397
Issue date
Oct 14, 2014
Applied Materials, Inc.
Wei-Sheng Lei
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
WAFER DICING USING FEMTOSECOND-BASED LASER AND PLASMA ETCH
Publication number
20250022755
Publication date
Jan 16, 2025
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WAFER DICING USING FEMTOSECOND-BASED LASER AND PLASMA ETCH
Publication number
20230207393
Publication date
Jun 29, 2023
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PLASMA ETCHING OF MASK MATERIALS
Publication number
20220351972
Publication date
Nov 3, 2022
Applied Materials, Inc.
Toi Yue Becky Leung
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WAFER DICING USING FEMTOSECOND-BASED LASER AND PLASMA ETCH
Publication number
20210134676
Publication date
May 6, 2021
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WAFER DICING USING FEMTOSECOND-BASED LASER AND PLASMA ETCH
Publication number
20200286787
Publication date
Sep 10, 2020
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WAFER DICING USING FEMTOSECOND-BASED LASER AND PLASMA ETCH
Publication number
20200118880
Publication date
Apr 16, 2020
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WAFER DICING USING FEMTOSECOND-BASED LASER AND PLASMA ETCH
Publication number
20190088549
Publication date
Mar 21, 2019
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WAFER DICING USING FEMTOSECOND-BASED LASER AND PLASMA ETCH
Publication number
20160141210
Publication date
May 19, 2016
Wei-Sheng Lei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MULTI-LAYER MASK INCLUDING NON-PHOTODEFINABLE LASER ENERGY ABSORBIN...
Publication number
20160035577
Publication date
Feb 4, 2016
Applied Materials, Inc.
Wei-Sheng LEI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LASER SCRIBING AND PLASMA ETCH FOR HIGH DIE BREAK STRENGTH AND CLEA...
Publication number
20150200119
Publication date
Jul 16, 2015
Brad EATON
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LASER AND PLASMA ETCH WAFER DICING WITH A DOUBLE SIDED UV-CURABLE A...
Publication number
20150122419
Publication date
May 7, 2015
Mohammad Kamruzzaman CHOWDHURY
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WAFER DICING METHOD FOR IMPROVING DIE PACKAGING QUALITY
Publication number
20150064878
Publication date
Mar 5, 2015
Applied Materials, Inc.
Wei-Sheng LEI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD AND SYSTEM FOR LASER FOCUS PLANE DETERMINATION IN A LASER SC...
Publication number
20150037915
Publication date
Feb 5, 2015
Wei-Sheng LEI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WAFER DICING WITH WIDE KERF BY LASER SCRIBING AND PLASMA ETCHING HY...
Publication number
20150028446
Publication date
Jan 29, 2015
Wei-Sheng Lei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LASER SCRIBING AND PLASMA ETCH FOR HIGH DIE BREAK STRENGTH AND SMOO...
Publication number
20150011073
Publication date
Jan 8, 2015
Wei-Sheng Lei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF COATING WATER SOLUBLE MASK FOR LASER SCRIBING AND PLASMA...
Publication number
20140377937
Publication date
Dec 25, 2014
Wei-Sheng Lei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WAFER DICING USING FEMTOSECOND-BASED LASER AND PLASMA ETCH
Publication number
20140367041
Publication date
Dec 18, 2014
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LASER, PLASMA ETCH, AND BACKSIDE GRIND PROCESS FOR WAFER DICING
Publication number
20140363952
Publication date
Dec 11, 2014
Wei-Sheng LEI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WAFER DICING WITH WIDE KERF BY LASER SCRIBING AND PLASMA ETCHING HY...
Publication number
20140346641
Publication date
Nov 27, 2014
Wei-Sheng Lei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHODS FOR ETCHING A SUBSTRATE
Publication number
20140335679
Publication date
Nov 13, 2014
TONG LIU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SUBSTRATE LASER DICING MASK INCLUDING LASER ENERGY ABSORBING WATER-...
Publication number
20140273401
Publication date
Sep 18, 2014
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PASSIVE CONTROL FOR THROUGH SILICON VIA TILT IN ICP CHAMBER
Publication number
20140273460
Publication date
Sep 18, 2014
Applied Materials, Inc.
David REYLAND
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SUBSTRATE DICING BY LASER ABLATION & PLASMA ETCH DAMAGE REMOVAL FOR...
Publication number
20140213042
Publication date
Jul 31, 2014
Wei-Sheng LEI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHODS FOR PERFORMING A VIA REVEAL ETCHING PROCESS FOR FORMING THR...
Publication number
20140199833
Publication date
Jul 17, 2014
Applied Materials, Inc.
Rohit MISHRA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WAFER DICING FROM WAFER BACKSIDE
Publication number
20140179084
Publication date
Jun 26, 2014
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WATER SOLUBLE MASK FOR SUBSTRATE DICING BY LASER AND PLASMA ETCH
Publication number
20140174659
Publication date
Jun 26, 2014
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Wafer Edge Protection and Efficiency Using Inert Gas and Ring
Publication number
20140179108
Publication date
Jun 26, 2014
Dung Huu Le
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HYBRID LASER AND PLASMA ETCH WAFER DICING USING SUBSTRATE CARRIER
Publication number
20140144585
Publication date
May 29, 2014
Saravjeet Singh
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WAFER DICING USING FEMTOSECOND-BASED LASER AND PLASMA ETCH
Publication number
20140120697
Publication date
May 1, 2014
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WAFER DICING USING HYBRID MULTI-STEP LASER SCRIBING PROCESS WITH PL...
Publication number
20140120698
Publication date
May 1, 2014
Applied Materials, Inc.
Wei-Sheng Lei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR