Patent ID: 11942568
Assignee: XIAMEN SAN'AN OPTOELECTRONICS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 19:
20. The method of claim 19, wherein step 2) includes the substeps of:
2a) disposing at least one sacrificial unit on said contact surface;
2b) forming the light transmittable dielectric element on the contact surface and the sacrificial unit;
2c) forming the adhesive layer on the light transmittable dielectric element;
2d) removing the sacrificial unit and a portion of the adhesive layer and a portion of the light transmittable dielectric element that are formed on and correspond in position to the sacrificial unit, so as to form the first through hole in the light transmittable dielectric element and the second through hole in the adhesive layer.