Reliability Study of Holder HC-27/U
Abstract
One thousand, three hundred and seventy-one glass holders were sealed to obtain 1000 units which did not crack after seal and which showed a glow discharge in the evacuated enclosure after thermal shock from boiling water to ice water. Examination was repeated every month for a total eleven months, consisting of visual check for 'on the shelf' cracks, thermal shock and glow discharge test for vacuum. All causes of failure for each month are tabulated and plotted to establish reliability with time. Non-uniformity and defects in parts used which are believed to have been responsible for many of the failures are discussed and recommendations for corrective measures outlined.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 30, 1962
- Accession Number
- AD0409194
Entities
People
- Elbert M. Shideler
- Paul E. Bryan