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Inventor

Duane E. Johnson

Inventor
Los Gatos, CA, US

Overview

2→
Patents
1976–1978
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices100%
PatentTitleYear
4,074,031'Process for preparing electron beam resists'19783,996,393'Positive polymeric electron beam resists of very great sensitivity'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1978Patents assigned to IBM (2)· patent assignee history
1976–1978Based in Los Gatos, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM21976–1978
Locations
LocationPatentsSpan
Los Gatos, California, US21976–1978