Patent ID: 6122823
Filing Date: 2000-09-26
Classification: H01L,Y10T

Abstract:
An apparatus producing a multichip package module in which a plurality of rough-pitch bare chips and a fine-pitch bare chip are mounted on a printed-circuit board, said apparatus comprising:a vacuum head positioning the plurality rough-pitch bare chips at respective first locations on the board;a multi-chip mounting machine having a plurality of thermocompression heads respectively mounting the plurality of rough-pitch bare chips at the first locations on the board at the same time by applying heat and pressure to the plurality of rough-pitch bare chips; anda single-chip mounting machine having a thermocompression head mounting the fine-pitch bare chip at a second location on the board by applying heat and pressure to the fine-pitch bare chip, after the plurality of rough-pitch bare chips are mounted on the board by said multi-chip mounting machine and the fine-pitch bare chip is positioned at the second location on the board by said vacuum head.