QUARTZ CRYSTAL UNIT, TYPE CR-67/U AND CR-(XM-67)/U PRODUCTION ENGINEERING MEASURE.
Quarterly progress rept. no. 2, 25 May-25 Aug 66,
GENERAL ELECTRIC CO LYNCHBURG VA COMMUNICATION PRODUCTS DEPT
Pagination or Media Count:
The aging study on bonding compounds is scheduled for a maximum of 1000 hours or until a definite trend is established. At this point approximately 18 days it appears that good and poor aging is apparent in both the control and test groups. It is also apparent that units tend to be either good or poor from the start of the tests. This would indicate that the reason for the poor aging is due primarily to variations in the processing rather than the bonding materials. With this in mind a careful study will be made to determine the cause of apparent catastrophic and degradational failures from a study of physical variations in the crystal and mounting structure. Author
- Electrical and Electronic Equipment
- Manufacturing and Industrial Engineering and Control of Production Systems