Patent ID: 7364778
Filing Date: 2008-04-29
Classification: H01L,Y10T

Abstract:
1. A packaging for an electronic component made of a resin, said packaging comprising: a body having an upper surface with an electronic component receiving area configured to receive the electronic component in a non-fixed relationship, wherein said upper surface at said electronic component receiving area has a surface roughness Ra of at least 1 μm, wherein said upper surface at said electronic component receiving area is composed of a blended product that includes a polystyrene resin and an olefin polymer, and wherein said polystyrene resin is configured to have a positive polarity relative to resin of the electronic component and said olefin polymer is configured to have a negative polarity relative to the resin of the electronic component during frictional electrification between said upper surface at said electronic component receiving area and the resin of the electronic component.