Intangibles Assets, net	9 Months Ended
Intangibles Assets, net	Sep. 28, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Intangibles assets, net	Intangible Assets, net On June 24, 2013, we acquired the rights to a collection of patents and patent applications including patents in advanced packaging, copper bumping and laser annealing. As of September 28, 2013, the gross carrying amount of our intangible assets was $18.1 million and accumulated amortization was $1.9 million. The weighted average life of all our intangible assets was 11.2 years as of September 28, 2013. During the three and nine month periods ending September 28, 2013, our amortization expense for our intangible assets was $0.4 million and $1.1 million, respectively, as compared to $0.2 million and $0.3 million for the corresponding periods of 2012.

The entire disclosure for all or part of the information related to intangible assets.