Methods for making a semiconductor chip device

US9502248B1 · US · B1

Patent metadata
FieldValue
Publication numberUS-9502248-B1
Application numberUS-201514884869-A
CountryUS
Kind codeB1
Filing dateOct 16, 2015
Priority dateOct 16, 2015
Publication dateNov 22, 2016
Grant dateNov 22, 2016

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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Abstract

Official abstract text for this publication.

According to various embodiments, a method may include: forming a first layer on a surface using a first lift-off process; forming a second layer over the first layer using a second lift-off process; wherein the second lift-off process is configured such that the second layer covers at least one sidewall of the first layer at least partially.

First claim

Opening claim text (preview).

What is claimed is: 1. A method, comprising: forming a first layer on a surface using a first lift-off process, the first lift-off process comprising forming a first mask structure over the surface, wherein the first mask structure comprises a first opening exposing the surface; forming a second layer over the first layer using a second lift-off process, the second lift-off process comprising forming a second mask structure over the surface, wherein the second mask structure com…

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What does patent US9502248B1 cover?
According to various embodiments, a method may include: forming a first layer on a surface using a first lift-off process; forming a second layer over the first layer using a second lift-off process; wherein the second lift-off process is configured such that the second layer covers at least one sidewall of the first layer at least partially.
Who is the assignee on this patent?
Infineon Technologies Ag
What technology area does this patent fall under?
Primary CPC classification H10W72/90. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Nov 22 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B1). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).