Accession Number:

AD0435626

Title:

CRYSTAL UNIT CR-(XM-28)/U.

Descriptive Note:

Quarterly progress rept.,

Corporate Author:

KEYSTONE CONTROLS CORP NEWARK N J

Personal Author(s):

• Ronan,James M.

Report Date:

1963-09-01

Pagination or Media Count:

16.0

Abstract:

Efforts concern establishment of a facility for the manufacture of crystal-units CR-XM28U utilizing the HC-27U all glass holder. Comparisons of results achieved using goldplated electrodes with those achieved using aluminum, are made. The same improvement in control of frequency change is noted when the film is annealed prior to sealing in glass. Final details of the limited production equipment were worked out and the equipment is described. A method for determining dimensions of glass units is reported. Author

Descriptors:

• (*QUARTZ RESONATORS
• MANUFACTURING)
• CRYSTAL HOLDERS
• GLASS
• PLATING
• GOLD
• ELECTRODES
• ALUMINUM
• CONTROL
• FREQUENCY
• HEAT TREATMENT
• PRODUCTION
• INDUSTRIAL EQUIPMENT
• METAL FILMS
• BONDING
• GLASS SEALS

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE