Forum: Reliability & Maintainability Questions and Answers

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Posted by: Johnson Wood (wuxiangping@huawei.com )
Date posted: Wed Dec 12 1:50:25 US/Eastern 2001
Subject: Reliability Prediction for New Components
Message:
A certain type of optical module is used in our circuit board. Its failure rate data is derived from either Bellcore or field statistic. For some reasons, we use a new type of optical module in the new product. The new component is made by a different new technical, or a different manufacturing process, or even only manufactured by a different product line. Can the failure rate of the old component be used in the new component? Or how to get the new component's failrue rate?

Replies:
Nwe Optical Component
B.W.Dudley Thu Dec 20 15:10:28 US/Eastern 2001

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Posted by: Dwayne
Organization:private
Date posted: Tue Dec 11 10:10:07 US/Eastern 2001
Subject: reliability definition
Message:
Can anyone define the reliabilty for a light bulb that is going to be used outside?

Replies:
Light Bulb Reliability
B.w.Dudley Thu Dec 20 14:54:36 US/Eastern 2001

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Posted by: Nick Smith (nsmith3@nortelnetworks.com )
Organization:Nortel Networks
Date posted: Thu Dec 6 18:33:52 US/Eastern 2001
Subject: Humidity Acceleration Factor
Message:
Can anyone tell me where I can find acceleration factors on humidity for testing purposes?

Replies:
Humidity Accelerated Testing
Bruce Dudley Mon Dec 10 10:08:20 US/Eastern 2001

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Posted by: Sheila Prather (sheila_s_prather@mail.northgrum.com )
Organization:Northrop Grumman Corp
Date posted: Thu Dec 6 9:40:53 US/Eastern 2001
Subject: ESS of Rotating Devices, e.g., motors, resolvers, synchros
Message:
Is there a recommended ESS regimen for these type devices? Is ESS feasible?

Replies:
Rotating Device Screening
B.W.Dudley Thu Dec 6 13:43:24 US/Eastern 2001

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Posted by: John (kelsmit@aol.com )
Date posted: Wed Dec 5 13:02:43 US/Eastern 2001
Subject: Momentary Switches
Message:
Momentary Switches
Does anyone have failure rates for mechanical momentary push button switches vs. Hall Effect momentary push button switches? These switches would be used in an industrial environment (sealed from moisture and dust). Thank you.

Replies:
Push Button vs. Hall Switches
B.W.Dudley Thu Dec 6 10:07:20 US/Eastern 2001

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