Principal Materials and Process Engineer
Doug Pauls has a bachelors in Chemistry & Physics, Carthage College, BSEE, Univ of Wisc Madison. He has 9 years working experience for US Navy - Materials Lab, Naval Avionics Center Indianapolis. 8 years Technical Director, Contamination Studies Laboratories. 11 years Rockwell Collins Advanced Operations Engineering.
Doug Pauls has submitted responses to the following questions.
Conformal Coating Press Fit Connectors
First,IPC-A-610 is not a requirements document. It is a visual acceptancedocument. Requirements would come from J-STD-001 or the engineeringdrawing.
Question About J-STD-001
The short answer is yes. J-STD-001, in both the present Rev E and the proposed Rev F(nearing finalization) there is ...
Conformal Coating Recommendation
It depends on howmuch access the humidity has to the electronics. If you are talking abouthumidity, and humidity only, then ...
Bromine Free PWBs
Bromine complexes,primarily tetrabromobisphenol-A (TBBA), has been used as a flame retardantmaterial for many years in laminate materials. The FR in ...
Cleaning with Sodium Bicarbonate
That gets an "ItDepends" kind of answer. Whether or not you have long term reliabilityissues depends on the thoroughness of ...