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.

Date of Patent:
Jun. 12, 2007

Filed:

Sep. 01, 2004
Applicants:

Teck Kheng Lee, Singapore, SG;

Cher Khng Victor Tan, Singapore, SG;

Inventors:

Teck Kheng Lee, Singapore, SG;

Cher Khng Victor Tan, Singapore, SG;

Assignee:

Micron Technology, Inc., Boise, ID (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/469 (2006.01);
U.S. Cl.
CPC ...
Abstract

Apparatus and methods relating to semiconductor assemblies. A semiconductor assembly includes an interposer which may be constructed from a flexible material, such as a polyimide tape. A pattern of conductive traces disposed on a first surface of the interposer is in electrical communication with a semiconductor die attached to the first surface. Interconnect recesses accessible on the opposite second surface expose one or more conductive traces. A conductive element, such as a solder ball, disposed substantially within the interconnect recess allows the assembly to be mounted on a substrate or a similar assembly. By substantially containing the conductive element within the interconnect recess, the height of the completed assembly is reduced. Assemblies may be stacked to form multidie assemblies. Interconnect structures, such as connection pads, or enlarged traces upon the first surface are employed to connect stacked assemblies.


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