Assembly Workmanship: Die Placement
Assembly Workmanship Contents
Orientation or Alignment
Die oriented shall be in accordance with the applicable assembly drawing. Die shall not be rotated more than 10 degrees with respect to the package cavity or the design location. |
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Adhesive
Die adhesive shall be visible at the perimerter of at least 50 percent of the die. |
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Adhesives shall not come closer than 1.0 mil (visible separation) to the top of a die |
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Spatters or strings of adhesive shall:
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Crack(s) in the adhesive around the perimeter of the die shall not be:
Note: Irregularities such as fissures at the outer edge of the adhesive are not considered cracks. |
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There shall be a visible line of separation between adhesive and to adjacent unattached circuitry or metallization. |
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Courtesy Rockwell Collins