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. 10, 2014
Filed:
Jun. 23, 2010
Terry F. Banitt, Altura, MN (US);
John L. Colbert, Byron, MN (US);
Jason R. Eagle, Kasson, MN (US);
Roger S. Krabbenhoft, Rochester, MN (US);
Terry F. Banitt, Altura, MN (US);
John L. Colbert, Byron, MN (US);
Jason R. Eagle, Kasson, MN (US);
Roger S. Krabbenhoft, Rochester, MN (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method and apparatus are provided for implementing electrical connection of two large circuit cards through multiple discrete land grid array (LGA) sites. Each of the circuit cards includes a plurality of LGA sites. A first circuit card includes a plurality of LGA interposers locally aligned at the respective LGA sites of the first circuit card. A board-to-board connection hardware assembly connecting a second circuit card to the first circuit card includes a elongated carrier defining a cavity receiving a plurality of load springs coupled to an associated bearing block for loading and maintaining flatness of the LGA sites.