Remarks:

1. The cumulative error of any 10 chain holes does not exceed ± 0.2mm;

2. Material thickness is measured at the edge of the carrier tape;

3. The non-parallelism of the distance of 100mm in the length of the carrier tape does not exceed 1mm; if it exceeds 250mm, the cumulative error is not calculated;

4. If not specified, the tolerance range is: ± 0.1 mm;

5. A0 and B0 are measured from the bottom of the cavity to the top 0.3, K0 is the internal depth;

6. The chamfer R of the shape of the whole cavity is 0.2-0.3;

7. Material: black, antistatic material;

8. All dimensions meet the requirements of EIA-481-E.