WO2002074686A3 - A method and device for protecting micro electromechanical systems structures during dicing of a wafer - Google Patents

A method and device for protecting micro electromechanical systems structures during dicing of a wafer Download PDF

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Publication number
WO2002074686A3
WO2002074686A3 PCT/US2001/051501 US0151501W WO02074686A3 WO 2002074686 A3 WO2002074686 A3 WO 2002074686A3 US 0151501 W US0151501 W US 0151501W WO 02074686 A3 WO02074686 A3 WO 02074686A3
Authority
WO
WIPO (PCT)
Prior art keywords
wafer
mems
structures during
micro electromechanical
electromechanical systems
Prior art date
Application number
PCT/US2001/051501
Other languages
French (fr)
Other versions
WO2002074686A2 (en
Inventor
Timothy R Spooner
David S Courage
Kieran P Harney
Lawrence E Felton
Jing Luo
Brad Workman
John R Martin
Original Assignee
Analog Devices Inc
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 by Analog Devices Inc filed Critical Analog Devices Inc
Publication of WO2002074686A2 publication Critical patent/WO2002074686A2/en
Publication of WO2002074686A3 publication Critical patent/WO2002074686A3/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
    • H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
    • H01L21/6836—Wafer tapes, e.g. grinding or dicing support tapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
    • B81C1/00865—Multistep processes for the separation of wafers into individual elements
    • B81C1/00888—Multistep processes involving only mechanical separation, e.g. grooving followed by cleaving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
    • B81C1/00865—Multistep processes for the separation of wafers into individual elements
    • B81C1/00896—Temporary protection during separation into individual elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
    • H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
    • H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
    • H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
    • H01L2221/68327—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used during dicing or grinding

Abstract

A wafer cap protects micro electromechanical system ('MEMS') structures during a dicing of a MEMS wafer to produce individual MEMS dies. A MEMS wafer is prepared having a plurality of MEMS structure sites thereon. Upon the MEMS wafer, the wafer cap is mounted to produce a laminated MEMS wafer. The wafer cap is recessed in areas corresponding to locations of the MEMS structure sites on the MEMS wafer. The capped MEMS wafer can be diced into a plurality of MEMS dies without causing damage to or contaminating the MEMS die.
PCT/US2001/051501 2000-12-05 2001-12-05 A method and device for protecting micro electromechanical systems structures during dicing of a wafer WO2002074686A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US25128800P 2000-12-05 2000-12-05
US25128700P 2000-12-05 2000-12-05
US60/251,288 2000-12-05
US60/251,287 2000-12-05

Publications (2)

Publication Number Publication Date
WO2002074686A2 WO2002074686A2 (en) 2002-09-26
WO2002074686A3 true WO2002074686A3 (en) 2003-02-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/051501 WO2002074686A2 (en) 2000-12-05 2001-12-05 A method and device for protecting micro electromechanical systems structures during dicing of a wafer

Country Status (2)

Country Link
US (5) US6759273B2 (en)
WO (1) WO2002074686A2 (en)

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