P

Inventor

NAGENGAST ANDREW J

US44 patents
⚠️ This page may combine multiple inventors who share the name “NAGENGAST ANDREW J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

APPLIED MATERIALS INC

34 patents
US8021215B2Sep 20, 2011

Carrier head with retaining ring and carrier ring

APPLIED MATERIALS INC19 citations93
US7950985B2May 31, 2011

Flexible membrane for carrier head

APPLIED MATERIALS INC27 citations93
US7727055B2Jun 1, 2010

Flexible membrane for carrier head

APPLIED MATERIALS INC28 citations93
US7699688B2Apr 20, 2010

Carrier ring for carrier head

APPLIED MATERIALS INC26 citations93
US7654888B2Feb 2, 2010

Carrier head with retaining ring and carrier ring

APPLIED MATERIALS INC33 citations93
US7575504B2Aug 18, 2009

Retaining ring, flexible membrane for applying load to a retaining ring, and retaining ring assembly

APPLIED MATERIALS INC41 citations93
US9368371B2Jun 14, 2016

Retaining ring having inner surfaces with facets

APPLIED MATERIALS INC21 citations92
US11056350B2Jul 6, 2021

Retaining ring having inner surfaces with facets

APPLIED MATERIALS INC6 citations84
US8808062B2Aug 19, 2014

Multi-chamber carrier head with a textured membrane

APPLIED MATERIALS INC8 citations84
US7901273B2Mar 8, 2011

Carrier ring for carrier head

APPLIED MATERIALS INC11 citations84
US10500695B2Dec 10, 2019

Retaining ring having inner surfaces with features

APPLIED MATERIALS INC9 citations83
US7255637B2Aug 14, 2007

Carrier head vibration damping

APPLIED MATERIALS INC7 citations74
US12033865B2Jul 9, 2024

Retaining ring having inner surfaces with facets

APPLIED MATERIALS INC1 citations73
US11682561B2Jun 20, 2023

Retaining ring having inner surfaces with facets

APPLIED MATERIALS INC2 citations73
US10702971B2Jul 7, 2020

Textured membrane for a multi-chamber carrier head

APPLIED MATERIALS INC2 citations73
US12048981B2Jul 30, 2024

Retaining ring having inner surfaces with features

APPLIED MATERIALS INC1 citations72
US11453099B2Sep 27, 2022

Retaining ring having inner surfaces with features

APPLIED MATERIALS INC3 citations72
US10322492B2Jun 18, 2019

Retaining ring for CMP

APPLIED MATERIALS INC3 citations72
US8535121B2Sep 17, 2013

Retaining ring and articles for carrier head

APPLIED MATERIALS INC3 citations63
US8376813B2Feb 19, 2013

Retaining ring and articles for carrier head

APPLIED MATERIALS INC1 citations63
US12434348B2Oct 7, 2025

Retaining ring having inner surfaces with features

APPLIED MATERIALS INC0 citations62
US12330262B2Jun 17, 2025

Dual membrane carrier head for chemical mechanical polishing

APPLIED MATERIALS INC0 citations62
US11945073B2Apr 2, 2024

Dual membrane carrier head for chemical mechanical polishing

APPLIED MATERIALS INC0 citations62
US11724357B2Aug 15, 2023

Pivotable substrate retaining ring

APPLIED MATERIALS INC0 citations62
US11673226B2Jun 13, 2023

Retaining ring for CMP

APPLIED MATERIALS INC0 citations62
US11511390B2Nov 29, 2022

Pivotable substrate retaining ring

APPLIED MATERIALS INC1 citations62
US9452505B2Sep 27, 2016

Textured membrane for a multi-chamber carrier head

APPLIED MATERIALS INC2 citations62
US12030156B2Jul 9, 2024

Polishing carrier head with piezoelectric pressure control

APPLIED MATERIALS INC0 citations60
US11890715B2Feb 6, 2024

Polishing carrier head with piezoelectric pressure control

APPLIED MATERIALS INC0 citations60
US12515296B2Jan 6, 2026

Polishing carrier head with floating edge control

APPLIED MATERIALS INC0 citations52
US11931857B2Mar 19, 2024

Deformable substrate chuck

APPLIED MATERIALS INC0 citations52
US11344991B2May 31, 2022

Retainer for chemical mechanical polishing carrier head

APPLIED MATERIALS INC0 citations52
US12551981B2Feb 17, 2026

Machine learning for classifying retaining rings

APPLIED MATERIALS INC0 citations51
US11780049B2Oct 10, 2023

Polishing carrier head with multiple angular pressurizable zones

APPLIED MATERIALS INC0 citations51

ZUNIGA STEVEN M

5 patents

LAM RES CORP

2 patents

OH JEONGHOON

1 patent

GTAT CORP

1 patent

RODNICK MATTHEW J

1 patent