MILPRF55110G
APPENDIX E
E.5.5
E.5.5 Proper post-test preparation of SERA system.
a.
Shut off inert gas flow into system.
b.
Shut off digital multimeter and programmable current source.
c.
Remove SCE reference electrode, rinse with deionized water and wipe clean with clean soft cloth. Place
SCE reference electrode in storage container.
d.
Remove reference electrode port and dump out borate buffer solution. Rinse inner and outer surfaces of
reference electrode port with deionized water. Replace reference electrode port into system.
Remove o-rings and dispose of as required (see E.4.1.2). Rinse test head o-ring seal with deionized water
e.
and wipe dry with clean soft cloth.
f.
Empty reservoir of borate buffer solution, rinse with deionized water, and refill with buffer solution as required
(see E.4.1.1).
E.6
E.6. NOTES
E.6.1
E.6.1 Note. The equipment described herein is a result of a United States Army MANTECH Program investment.
SERA is a scientific means of measuring solderability of circuit boards and components. The technology is based
upon measurements of the type and quantity of oxides using Sequential Electrochemical Reduction Analysis.
Rockwell International at Thousand Oaks, CA is the patent holder, and the United States Army MANTECH Program
was successful in developing, proving, commercializing, and standardizing the equipment and processes. Round
robin tests by a government-industry team were successfully completed in the standardization effort. The United
States Army has a perpetual royalty free license, and the equipment is currently on a number of weapons production
lines. The technical point of contact for future inquiries should be directed to the sole source supplier listed as
follows:
ECI Technology
1 Madison Street
East Rutherford, NJ 07073
Phone: (973) 7738686
Facsimile: (973) 7738797
74
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