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:
Jun. 01, 2004
Filed:
May. 31, 2002
Applicant:
Inventors:
Harry Hedler, Germering, DE;
Jochen Müller, München, DE;
Barbara Vasquez, München, DE;
Assignee:
Infineon Technologies AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/302 ;
U.S. Cl.
CPC ...
H01L 2/302 ;
Abstract
A lowermost layer of control chips carries on it layers of memory chips. The memory chips are contacted via looped-through contacts that reach from one side of the other side of the memory chips and they are driven by the control chips that contain the test circuit for the memory chips.