The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 24, 2002
Filed:
Aug. 10, 2001
Applicant:
Inventor:
Chun Hung Lin, Kaohsiung, TW;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/144 ;
U.S. Cl.
CPC ...
H01L 2/144 ;
Abstract
A method of manufacturing chip scale packages at wafer level, comprising the steps of: a) providing a wafer having an active and a back side surface, the active surface of the wafer having a plurality of scribe lines defining individual chips, and each chip having a plurality of electrodes; b) forming a dam enclosing the perimeter of the wafer; c) filling the area enclosed by the dam with molding compound to encapsulate the active surface of the wafer; d) removing the dam to expose the scribe lines covered by the dam on the active surface of the wafer; and e) dicing the wafer according to the exposed scribe lines as positioning reference marks.