SEMICONDUCTOR DEVICE MANUFACTURING METHOD AND SEMICONDUCTOR DEVICE MANUFACTURING APPARATUS

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United States of America Patent

SERIAL NO

14506958

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Abstract

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A method of manufacturing a semiconductor device includes: preparing a wafer member, the wafer member including a wafer, a conductive layer formed on a surface of the wafer and a negative photoresist formed on the conductive layer; applying a light blocking material so as to cover at least a part of an outer edge of the wafer member from an upper surface of the negative photoresist to a side surface of the negative photoresist; exposing the negative photoresist to exposure light; removing the light blocking material; and developing the negative photoresist.

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Patent Owner(s)

Patent OwnerAddress
LAPIS SEMICONDUCTOR CO LTD2-4-8 SHINYOKOHAMA KOUHOKU-KU YOKOHAMA 222-8575

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
SHINDOU, Masanori Tokyo, JP 4 8

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