Patent ID: 6638004
Filing Date: 2003-10-28
Classification: H01L,Y10S

Abstract:
An article holder comprising:a first surface which is not to contact an article held by the holder; one or more protrusions protruding from the first surface, at least one of the one or more protrusions contacting the article held by the holder; and a first mechanism for drawing the article towards the first surface and pressing the article against the one or more protrusions to hold the article in a position opposite to the first surface and to impede the article sliding on the one or more protrusions, the first mechanism being operable to allow the article held in the holder to slide on the one or more protrusions while the first mechanism presses the article against the one or more protrusions and impedes the article sliding, each of the one or more protrusions having a surface which is to contact the article, wherein at least part of the surface for contacting the article is rounded.