JPH01116440U - - Google Patents

Info

Publication number
JPH01116440U
JPH01116440U JP1050988U JP1050988U JPH01116440U JP H01116440 U JPH01116440 U JP H01116440U JP 1050988 U JP1050988 U JP 1050988U JP 1050988 U JP1050988 U JP 1050988U JP H01116440 U JPH01116440 U JP H01116440U
Authority
JP
Japan
Prior art keywords
check pattern
semiconductor substrate
pattern
letter
recessed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1050988U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1050988U priority Critical patent/JPH01116440U/ja
Publication of JPH01116440U publication Critical patent/JPH01116440U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)

Description

【図面の簡単な説明】
第1図は本考案の第1実施例を示し、同図aは
チエツクパターンの上面図、同図bは同図aのA
―A線断面図、同図cは同じくB―B線断面図、
第2図は本考案の第2実施例を示し、同図aはチ
エツクパターンの上面図、同図bは同図aのA―
A線断面図、同図cは同じくB―B線断面図、第
3図はウエハ上におけるチエツクパターンの配置
図、第4図は従来構造を示し、同図aはチエツク
パターンの上面図、同図bは同図aのC―C線断
面図である。 1……半導体基板(ウエハ)、2……チエツク
パターン、2a〜2d……V溝、21〜24,2
1a〜23a……階段形状の稜線、3……研磨範
囲、L……幅寸法。

Claims (1)

    【実用新案登録請求の範囲】
  1. 半導体基板の表面に凹設され、その上面形状や
    寸法の変化によつて半導体基板の研磨状態を監視
    するためのチエツクパターンであつて、その上面
    形状を階段状とし、かつその縦断面形状をV字形
    にしたことを特徴とする半導体基板のチエツクパ
    ターン。
JP1050988U 1988-01-30 1988-01-30 Pending JPH01116440U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1050988U JPH01116440U (ja) 1988-01-30 1988-01-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1050988U JPH01116440U (ja) 1988-01-30 1988-01-30

Publications (1)

Publication Number Publication Date
JPH01116440U true JPH01116440U (ja) 1989-08-07

Family

ID=31218237

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1050988U Pending JPH01116440U (ja) 1988-01-30 1988-01-30

Country Status (1)

Country Link
JP (1) JPH01116440U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4719991B2 (ja) * 2001-03-12 2011-07-06 株式会社デンソー 炭化珪素半導体装置の製造方法
JP2019102550A (ja) * 2017-11-29 2019-06-24 トヨタ自動車株式会社 半導体基板の製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4719991B2 (ja) * 2001-03-12 2011-07-06 株式会社デンソー 炭化珪素半導体装置の製造方法
JP2019102550A (ja) * 2017-11-29 2019-06-24 トヨタ自動車株式会社 半導体基板の製造方法

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