BURN-IN CIRCUIT OR EQUIVALENT
3.6 Part marking. Only parts having met all requirements
herein shall be marked with the following information in accordance
(A) manufacturer's name or symbol, (B)
manufacturer's date code (traceable to the wafer manufacturer's
diffusion run), (C) the source control number "1920050CN9333744".
Note : Once the part has been marked, the part is classifed
confidential and shall be handled as such.
3.6.1 Other marks. The vendor may add additional markings, for
his own use, on the bottom surface of the package provided that
these markings do not interfere with the required markings.
3.6.2 Resistance to solvent. The marking shall remain legible
when subjected to the resistance to solvents testing of MIL-STD-883,
3.7 Process control. All process controls essential for the
manufacturing of microcircuits to assure a reliable end item shall
be submitted to the designated agency specified in 6.3 herein prior
to the start of fabrication.