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Inventor

Cheng-Kai Liu

Inventor
Hsinchu, TW

Overview

1→
Patents
1997
Patent span
Electricity
Primary field (CPC H)

Patents· 1 as inventor

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

H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1033%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1033%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
5,674,775'Isolation trench with a rounded top edge using an etch buffer layer'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to TAIWAN SEMICONDUCTOR MFG (1)· patent assignee history
1997Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAIWAN SEMICONDUCTOR MFG11997
Locations
LocationPatentsSpan
Hsinchu, TW11997