Engineering topics

Primak, W.

Publications and source records attributed to Primak, W..

2 records

NASA NTRS1969

Determination of the absolute contours of optical flats

Emersons procedure is used to determine true absolute contours of optical flats. Absolute contours of standard flats are determined and a comparison is then made between standard and unknown flats. Contour differences are determined by deviation of Fizeau fringe.

Primak, W.↗

NASA NTRS1968

Hydrogen peroxide etching proves useful for germanium

Influence of process variations in the etching of germanium with hydrogen peroxide has been studied, along with damage effects due to radiation. The work advances the knowledge of the etching process for germanium.

Dayal, Y.↗