CN202985377U - 一种硅片倒角机用组合磨轮 - Google Patents

一种硅片倒角机用组合磨轮 Download PDF

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Publication number
CN202985377U
CN202985377U CN 201220359214 CN201220359214U CN202985377U CN 202985377 U CN202985377 U CN 202985377U CN 201220359214 CN201220359214 CN 201220359214 CN 201220359214 U CN201220359214 U CN 201220359214U CN 202985377 U CN202985377 U CN 202985377U
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chamfering machine
wafer chamfering
silicon wafer
mill
grinding wheel
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Inventor
郝玉清
张立
安瑞阳
叶松芳
卢立延
陈信
杜娟
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Youyan Semiconductor Silicon Materials Co ltd
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Grinm Semiconductor Materials Co Ltd
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Abstract

本实用新型提供一种砖片倒角机用组合磨轮,包括轮体和多个位于轮周边的磨槽。磨槽的个数优选为9个,其中4个磨槽的边缘剖角为39°00′~41°00′,磨槽底部的圆弧半径为2.6~3.0mm;其余磨槽的边缘剖角为21°00′~23°00′,磨槽底部的圆弧半径为2.2~2.6mm。所述磨槽的深度为1.00~1.20mm。所述磨槽所容设的砖片的厚度为550~780μm。本实用新型通过合理的设计可以实现倒角机不换磨轮加工不同边缘轮廓的硅片,提高了倒角机工作效率,达到灵活生产,快速交付的效果。

Description

一种硅片倒角机用组合磨轮
技术领域
本实用新型提供一种硅片倒角机用组合磨轮。
背景技术
砖片边缘倒角加工不仅在于去除边缘加工损伤和钝化棱角,当砖片在进入元器件的制造过程中会有较多的热周期,这些加热或冷却的过程非常迅速,会产生热应力,一旦热应力超过晶体的弹性强度,会产生差排及位错,由于不同厂家的设备,工艺及砖片种类差异,他们对砖片边缘轮廓的要求呈现出多样化,导致在加工时需要频繁更换倒角磨轮,降低了倒角机的使用效率,影响按时交付。
使用硅片倒角机用组合磨轮可以实现不换磨轮的情况下,加工多种边缘轮廓规格的硅片。
实用新型内容
本实用新型的目的在于提供一种砖片倒角机用组合磨轮,可在不换磨轮的情况下加工出不同边缘轮廓规格的硅片。
为实现上述目的,本实用新型采用以下技术方案:
一种硅片倒角机用组合磨轮,包括轮体和多个位于轮周边的磨槽。
所述磨槽的个数优选为9个,其中4个磨槽的边缘剖角为39°00′~41°00′,磨槽底部的圆弧半径为2.6~3.0mm;其余磨槽的边缘剖角为21°00′~23°00′,磨槽底部的圆弧半径为2.2~2.6mm。
所述磨槽的深度为1.00~1.20mm。
所述磨槽所容设的砖片的厚度为550~780μm。
本实用新型的优点在于:
本实用新型通过合理的设计可以实现倒角机不换磨轮加工不同边缘轮廓的硅片,提高了倒角机工作效率,达到灵活生产,快速交付的效果。
附图说明
图1为本实用新型磨轮的纵断面示意图。
图2为本实用新型磨轮周边磨槽的结构示意图。
具体实施方式
如图1所示,本实用新型的硅片倒角机用组合磨轮,包括轮体1和多个位于轮周边2上的磨槽。其中轮体2为圆形,具有中心孔3,多个磨槽依次设置在磨轮周边。磨槽的个数优选为9个,依次为磨槽V1~V9,其中磨槽V1~V4的边缘剖角为39°00′~41°00′,槽底部的圆弧半径为2.6~3.0mm;磨槽V5~V9的边缘剖角为21°00′~23°00′,槽底部的圆弧半径为2.2~2.6mm。磨槽V1~V9的深度为1.00~1.20mm。
磨槽V1~V9所容设的砖片的厚度为550~780μm。
本实用新型通过合理的设计可以实现倒角机不换磨轮加工不同边缘轮廓的硅片,提高了倒角机工作效率,达到灵活生产,快速交付的效果。

Claims (4)

1.一种硅片倒角机用组合磨轮,其特征在于:包括轮体和多个位于轮周边的磨槽。
2.根据权利要求1所述的硅片倒角机用组合磨轮,其特征在于:所述磨槽的个数为9个,其中4个磨槽的边缘剖角为39°00′~41°00′,磨槽底部的圆弧半径为2.6~3.0mm;其余磨槽的边缘剖角为21°00′~23°00′,磨槽底部的圆弧半径为2.2~2.6mm。
3.根据权利要求1或2所述的硅片倒角机用组合磨轮,其特征在于:所述磨槽的深度为1.00~1.20mm。
4.根据权利要求1或2所述的硅片倒角机用组合磨轮,其特征在于:所述磨槽所容设的硅片的厚度为550~780μm。
CN 201220359214 2012-07-23 2012-07-23 一种硅片倒角机用组合磨轮 Expired - Lifetime CN202985377U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103394982A (zh) * 2013-08-20 2013-11-20 中国电子科技集团公司第四十六研究所 一种加工厚层外延用硅单晶片的倒角砂轮及倒角方法
JP2017035740A (ja) * 2015-08-06 2017-02-16 株式会社ノリタケカンパニーリミテド 面取りホイール及びこれを使用した面取り加工方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103394982A (zh) * 2013-08-20 2013-11-20 中国电子科技集团公司第四十六研究所 一种加工厚层外延用硅单晶片的倒角砂轮及倒角方法
CN103394982B (zh) * 2013-08-20 2015-07-29 中国电子科技集团公司第四十六研究所 一种加工厚层外延用硅单晶片的倒角砂轮及倒角方法
JP2017035740A (ja) * 2015-08-06 2017-02-16 株式会社ノリタケカンパニーリミテド 面取りホイール及びこれを使用した面取り加工方法

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