Patent · US Expired

Scanning optical system adapted for linewidth measurement in semiconductor devices

UST102104I4 · kind I4 · defensive publication

11Cited by
0References
1Claims
0Family size

Inventors

Key dates

Filing dateJul 30, 1980
Grant dateAug 3, 1982
Priority date
Expiry dateJul 30, 2000

Classification

  • Technology area (CPC —)General

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.