High Power Optical Examination Figures
Figure 1
Photograph of a broken wire. (Photo courtesy DM Data.)

Figure 2
Photograph of intermetallic formation. (Photo courtesy DM Data.)

Figure 3
Photograph of contamination on a bond wire. (Photo courtesy Sandia Labs.)

Figure 4
Photograph of contamination on the surface of the die. (Photo courtesy Sandia Labs.)

Figure 5
Photograph of a processing defect. (Photo courtesy DM Data.)

Figure 6
Photograph of a cracked die. (Photo courtesy Sandia Labs.)

Figure 7
Photograph of an inked die (fails testing at electrical sort. (Photo courtesy Sandia Labs.)

Figure 8
Photograph of melted aluminum. (Photo courtesy Sandia Labs.)

Figure 9
Photograph of contamination between the bond wire and the lead frame. (Photo courtesy Sandia Labs.)

Figure 10
Photograph of contamination between the bond wire and the die. (Photo courtesy DM Data.)

Figure 11
Photograph of intermetallics at package frame. (Photo courtesy DM Data.)

Figure 12
Photograph of a balled back wire. (Photo courtesy Sandia Labs.)

Figure 13
Photograph of particles on the surface of the die. (Photo courtesy Sandia Labs.)

Figure 14
Photograph of residue on the surface of the die. (Photo courtesy DM Data.)

Figure 15
Photograph of particles below the surface of the die. (Photo courtesy Sandia Labs.)

Figure 16
Photograph of melted silicon on an IC. (Photo courtesy DM Data.)

Figure 17
Photograph of melted aluminum on an IC. (Photo courtesy Sandia Labs.)

Figure 18
Photograph of a bond wire bridging between the bond pad and exposed metal in the wafer street. (Photo courtesy Sandia Labs.)

Figure 19
Photograph of incorrect placement of markings, resulting in a short. (Photo courtesy Sandia Labs.)

Figure 20
Higher magnification of markings shown in Figure 19. (Photo courtesy Sandia Labs.)

Figure 21
Photograph of missing metal 1 metal 2 vias, resulting in an open. (Photo courtesy Intel Corp.)

Figure 22
Higher magnification photograph of the missing vias shown in Figure 21. (Photo courtesy Intel Corp.)

Figure 23
Reject Criteria for optical examination.

Figure 24
Reject Criteria for optical examination.

Figure 25
Reject Criteria for optical examination.

Figure 26
Reject Criteria for optical examination.

Figure 27
Reject Criteria for optical examination.

Figure 28
Reject Criteria for optical examination.

Figure 29
Reject Criteria for optical examination.

Figure 30
Reject Criteria for optical examination.

Figure 31
Reject Criteria for optical examination.

Figure 32
Reject Criteria for optical examination.

Figure 33
Reject Criteria for optical examination.

Figure 34
Reject Criteria for optical examination.

Figure 35
Reject Criteria for optical examination.

Figure 36
Reject Criteria for optical examination.

Figure 37
Reject Criteria for optical examination.

Figure 38
Reject Criteria for optical examination.

Figure 39
Reject Criteria for optical examination.

Figure 40
Reject Criteria for optical examination.

Figure 41
Reject Criteria for optical examination.

Figure 42
Reject Criteria for optical examination.

Figure 43
Reject Criteria for optical examination.

Figure 44
Reject Criteria for optical examination.

Figure 45
Reject Criteria for optical examination.

Figure 46
Reject Criteria for optical examination.

Figure 47
Reject Criteria for optical examination.

Figure 48
Reject Criteria for optical examination.

Figure 49
Reject Criteria for optical examination.

Figure 50
Reject Criteria for optical examination.

Figure 51
Reject Criteria for optical examination.

Figure 52
Reject Criteria for optical examination.

Figure 53
Reject Criteria for optical examination.

Figure 54
Reject Criteria for optical examination.

Figure 55
Reject Criteria for optical examination.

Figure 56
Reject Criteria for optical examination.

Figure 57
Reject Criteria for optical examination.

Figure 58
Reject Criteria for optical examination.

Figure 59
Reject Criteria for optical examination.

Figure 60
Reject Criteria for optical examination.

Figure 61
Reject Criteria for optical examination.

Figure 62
Reject Criteria for optical examination.

Figure 63
Reject Criteria for optical examination.

Figure 64
Reject Criteria for optical examination.

Figure 65
Reject Criteria for optical examination.

Figure 66
Reject Criteria for optical examination.

Figure 67
Reject Criteria for optical examination.

Figure 68
Reject Criteria for optical examination.

Figure 69
Reject Criteria for optical examination.

Figure 70
Reject Criteria for optical examination.

Figure 71
Reject Criteria for optical examination.

Figure 72
Reject Criteria for optical examination.

Figure 73
Reject Criteria for optical examination.

Figure 74
Reject Criteria for optical examination.

Figure 75
Reject Criteria for optical examination.

Figure 76
Reject Criteria for optical examination.

Figure 77
Reject Criteria for optical examination.

Figure 78
Reject Criteria for optical examination.

Figure 79
Reject Criteria for optical examination.

Figure 80
Reject Criteria for optical examination.

Figure 81
Reject Criteria for optical examination.

Figure 82
Reject Criteria for optical examination.

Figure 83
Reject Criteria for optical examination.

Figure 84
Reject Criteria for optical examination.



