ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,378, issued on Sept. 30, was assigned to CANON K.K. (Tokyo).
"Chip chuck and a method of using the same" was invented by Byung-Jin Choi (Austin, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus can include a chip transfer module that includes a chip chuck. The chip chuck can include a chucking surface that is configured to hold a chip. The chip chuck can further include a gap sensor that is configured to measure a distance between a sensor surface of the gap sensor and a surface spaced apart from the chip chuck. In an implementation, the surface can be an upper surface of a chip, a surface of a substrate, or a surface of a film or ...