Edwards & Angell, LLP
Integrated-circuit package with a quick-to-count finger layout design on substrate
An integrated-circuit package with a quick-to-count finger layout design on substrate is proposed, which can help fabrication engineers to visually check the total number of fingers on the substrate in a quick and accurate manner. The proposed integrated-circuit package is characterized by the provision of a line-up array of fingers which includes a plurality of first-shape fingers partitioned equally in number into a plurality of subgroups; and a plurality of second-shape fingers, which are substantially visually distinguishable in outer appearance from the first-shape fingers, and which are interposed between adjacent subgroups of the first-shape fingers to serve as count tokens. This finger layout design allows the fabrication engineers to visually check the total number of the line-up array of fingers on the substrate simply by counting through the second-shape fingers that serve as count tokens and then multiply the result by the number of first-shape fingers in each subgroup plus one.
Siliconware Precision Industries Co., Ltd.
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Wen-Hsin Chih-Chin
Wang Liao