Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Umbra/penumbra detector

Patent ·
OSTI ID:866739

A device which monitors the characteristics of an image cast upon a radiation sensitive substrate. This includes a shadow casting object or mask and at least one source of radiation disposed above the object or mask so that the image cast on the substrate can be analyzed.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA
DOE Contract Number:
AC03-76SF00098
Assignee:
Carner, Jr., Don C. (132 Eagle Rock Ave., Channel Islands, CA 93035)
Patent Number(s):
US 4777360
OSTI ID:
866739
Country of Publication:
United States
Language:
English

Similar Records

Umbra/penumbra detector
Patent · Tue Oct 11 00:00:00 EDT 1988 · OSTI ID:7067545

PHOTOSENSITIVE GAS PHASE ETCHING OF SEMICONDUCTORS BY SELECTIVE RADIATION
Patent · Tue Jun 25 00:00:00 EDT 1963 · OSTI ID:4712391

Radiation melting of semiconductor surface areas through a remote mask
Patent · Mon Feb 08 23:00:00 EST 1988 · OSTI ID:5418047