Forum: Reliability & Maintainability Questions and Answers

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Posted by: Ben Dangerfield (bd@veriomail.com )
Organization:Site Inspection Systems
Date posted: Thu Jun 14 20:20:25 US/Eastern 2001
Subject: Codes and Standards
Message:
Would someone please bring me up to date on the status of the Reliability and Maintainability Standards. I need to know what is being used in specifications in lieu of Mil-Std
785, 781 and 470 and 471. Thanks if anybody can steer me to the latest update on that I would appreciate it.

Replies: (list all replies)
Codes and Standards
Ned Criscimagna Fri Jun 15 10:14:12 US/Eastern 2001
Codes and Standards
Ken Burgess Fri Jun 15 17:31:13 US/Eastern 2001
Codes and Standards
Ken Burgess Fri Jun 15 17:37:05 US/Eastern 2001

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Posted by: Richard Golek (rgolek@molex.com )
Organization:Molex
Date posted: Wed Jun 13 19:20:34 US/Eastern 2001
Subject: Solder of leads on low power VCSEL laser diodes
Message:
Hand soldering of 0.019 dia VCSEL laser diode pins (usually in TO-46 packages)to solder pads on small PC boards is a common practice. Some laser diode manufacturers however advise against this method and recommend using connectors, while others provide solderability specs. I am interested in hearing from anyone on laser diode reliability issues related to the use of hand soldering, and also any ESD damage observed due to this method. Thank you.

Replies:
Laser Diode Soldering
Bruce Dudley Thu Jun 14 14:34:42 US/Eastern 2001

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Posted by: John (kelsmit@aol.com )
Date posted: Wed Jun 13 10:04:56 US/Eastern 2001
Subject: Data Analysis
Message:
Has anyone tried to apply the Non-homogenous Poisson methods for multiple units with different start and stop times? Can this be done in MS Excel. How do you solve for lamda and beta? Thank you, Any help would be appreciated

Replies:
NHP and npmle of reliability and failure rate functions
Larry George Thu Jun 14 17:41:44 US/Eastern 2001

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Posted by: Ke Liu
Organization:CAT
Date posted: Fri Jun 8 16:23:14 US/Eastern 2001
Subject: CAN Bus Reliability
Message:
Does anybody know the possible failure modes associated with the CAN (controller area network) system?
Thanks in advance.

Replies:
CAN Bus System Failure Modes
Bruce Dudley Tue Jun 12 9:16:25 US/Eastern 2001

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Posted by: Carl Jiang
Organization:John Deere
Date posted: Fri Jun 8 16:20:45 US/Eastern 2001
Subject: HALT on Controllers
Message:
Does any body have experience on conduction HALT on controllers (electronic control units used on automotives and construction equipment)? What stresses are used? How to monitor the functions of controller and how to detect the failure?
Thanks.

Replies:
Halt Testing, Controllers
Bruce Dudley Mon Jun 11 10:45:57 US/Eastern 2001

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