US 7,576,403 B2
Method of manufacturing infrared rays receiver and structure thereof
Wei Chang, San Chung (Taiwan)
Assigned to Unity Opto Technology Co., Ltd., Taipei Hsien (Taiwan)
Filed on Aug. 23, 2007, as Appl. No. 11/892,436.
Claims priority of application No. 96119287 A (TW), filed on May 30, 2007.
Prior Publication US 2008/0297665 A1, Dec. 04, 2008
Int. Cl. H01L 23/28 (2006.01); H01L 21/56 (2006.01)
U.S. Cl. 257—434  [257/680; 257/E21.502; 438/64; 438/116; 438/124] 8 Claims
OG exemplary drawing
 
1. A method of manufacturing an infrared rays receiver, comprising the steps of:
(a) chip attach: attaching an infrared rays receiving chip to one pin of a lead frame;
(b) wire-bonding: connecting said infrared rays receiving chip with the other pins of said lead frame by a plurality of bonding wires;
(c) encapsulation: encapsulating part of said lead frame, said infrared rays receiving chip and said bonding wires into a unity by a light-pervious adhesive;
(d) metal housing covering: covering said light-pervious adhesive with a metal housing having a through hole on one side;
(e) encapsulation: encapsulating said metal housing with a colored adhesive;
(f) pin cutting: cutting off a plurality of connection sections of said lead frame; and
(g) testing: performing a testing on said infrared rays receiver obtained above.