Accession Number:

AD0266848

Title:

QUARTZ CRYSTAL UNIT CR-(XM-37)/U

Descriptive Note:

Corporate Author:

VALPEY FISHER CORP HOLLISTON MASS

Personal Author(s):

Report Date:

1961-09-30

Pagination or Media Count:

1.0

Abstract:

The CR-XM-37U quartz crystal unit is a metal plated unit designed to operate at series resonance on the 7th mechanical overtone in the range of 150 to 200 mc. Holder type is the HC-18U. Manufacturing this unit without resorting to screening and with a minimum of shrinkage points up the following problems 1 angular control through sawing process, 2 lapping and final polish, 3 methods of handling thin blanks, 4 frequency control for minimum finishing, 5 cleaning and base plating, 6 mounting thin blanks in holders, 7 cementing, and 8 correlation of final frequency test equipment with ANTSM-15. Requirements satisfying these problems are listed. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE