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Inventor

Ya-Lun Cheng

Inventor
Taipei, TW

Overview

3→
Patents
2006–2007
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H10Dprimary
H10DInorganic electric semiconductor devices29%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1029%
B08BCleaning in general14%
C11DDetergent compositions14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
7,306,681'Method of cleaning a semiconductor substrate'20077,037,793'Method of forming a transistor using selective epitaxial growth'20066,991,991'Method for preventing to form a spacer undercut in SEG pre-clean process'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2007Patents assigned to UNITED MICROELECTRONICS CORP (3)· patent assignee history
2006–2007Based in Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNITED MICROELECTRONICS CORP32006–2007
Locations
LocationPatentsSpan
Taipei, TW32006–2007