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:
Jan. 24, 2012
Filed:
Mar. 26, 2010
Ming-che Hsieh, Kaohsiung, TW;
Ra-min Tain, Taipei County, TW;
Wei LI, Hsinchu, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
The disclosure provides a chip package structure and method for fabricating the same. The chip package structure includes at least one chip having at least one through via. At least one stress buffering structure is disposed in the through via. The stress buffering structure includes a first gasket and a second gasket. A supporting pillar has two terminals respectively connected to the first gasket and the second gasket. The cross-sectional area of the supporting pillar is smaller than areas of the first gasket and the second gasket. A buffering layer is sandwiched between the first gasket and the second gasket, surrounding a sidewall of the supporting pillar. An insulating layer is disposed on the through via, surrounding a sidewall of the stress buffering structure.