ATE445141T1 - Verfahren zur steuerung eines grabenätzprozesses - Google Patents

Verfahren zur steuerung eines grabenätzprozesses

Info

Publication number
ATE445141T1
ATE445141T1 AT03785204T AT03785204T ATE445141T1 AT E445141 T1 ATE445141 T1 AT E445141T1 AT 03785204 T AT03785204 T AT 03785204T AT 03785204 T AT03785204 T AT 03785204T AT E445141 T1 ATE445141 T1 AT E445141T1
Authority
AT
Austria
Prior art keywords
substrate
dimension
trench
net reflectance
controlling
Prior art date
Application number
AT03785204T
Other languages
English (en)
Inventor
Vijayakumar Venugopal
Andrew Perry
Original Assignee
Lam Res Corp
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
Priority claimed from US10/286,409 external-priority patent/US7399711B2/en
Priority claimed from US10/286,410 external-priority patent/US7019844B2/en
Priority claimed from US10/401,118 external-priority patent/US6979578B2/en
Application filed by Lam Res Corp filed Critical Lam Res Corp
Application granted granted Critical
Publication of ATE445141T1 publication Critical patent/ATE445141T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
    • G01B11/0683—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating measurement during deposition or removal of the layer
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P74/00—Testing or measuring during manufacture or treatment of wafers, substrates or devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
    • G01B11/0625—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating with measurement of absorption or reflection
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B12/00—Dynamic random access memory [DRAM] devices
    • H10B12/01—Manufacture or treatment
    • H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
    • H10B12/03—Making the capacitor or connections thereto
    • H10B12/038—Making the capacitor or connections thereto the capacitor being in a trench in the substrate
    • H10B12/0387—Making the trench
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D1/00—Resistors, capacitors or inductors
    • H10D1/01—Manufacture or treatment
    • H10D1/045—Manufacture or treatment of capacitors having potential barriers, e.g. varactors
    • H10D1/047—Manufacture or treatment of capacitors having potential barriers, e.g. varactors of conductor-insulator-semiconductor capacitors, e.g. trench capacitors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Drying Of Semiconductors (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
  • Semiconductor Memories (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Weting (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Element Separation (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
AT03785204T 2002-08-13 2003-08-12 Verfahren zur steuerung eines grabenätzprozesses ATE445141T1 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US40321302P 2002-08-13 2002-08-13
US40861902P 2002-09-06 2002-09-06
US10/286,409 US7399711B2 (en) 2002-08-13 2002-11-01 Method for controlling a recess etch process
US10/286,410 US7019844B2 (en) 2002-08-13 2002-11-01 Method for in-situ monitoring of patterned substrate processing using reflectometry.
US10/401,118 US6979578B2 (en) 2002-08-13 2003-03-27 Process endpoint detection method using broadband reflectometry
PCT/US2003/025156 WO2004015727A2 (en) 2002-08-13 2003-08-12 Method for controlling a recess etch process

Publications (1)

Publication Number Publication Date
ATE445141T1 true ATE445141T1 (de) 2009-10-15

Family

ID=31721852

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03785204T ATE445141T1 (de) 2002-08-13 2003-08-12 Verfahren zur steuerung eines grabenätzprozesses

Country Status (9)

Country Link
EP (3) EP1546650B1 (de)
JP (3) JP4841953B2 (de)
KR (3) KR20050047098A (de)
CN (4) CN100376864C (de)
AT (1) ATE445141T1 (de)
AU (3) AU2003255273A1 (de)
DE (1) DE60329602D1 (de)
TW (3) TWI303090B (de)
WO (3) WO2004015365A1 (de)

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US9792393B2 (en) * 2016-02-08 2017-10-17 Lam Research Corporation Methods and apparatuses for etch profile optimization by reflectance spectra matching and surface kinetic model optimization
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Also Published As

Publication number Publication date
DE60329602D1 (de) 2009-11-19
WO2004015727A3 (en) 2004-04-29
CN1675518A (zh) 2005-09-28
KR20050047098A (ko) 2005-05-19
AU2003255273A8 (en) 2004-02-25
TW200405501A (en) 2004-04-01
WO2004015364A1 (en) 2004-02-19
CN1675517A (zh) 2005-09-28
JP4841953B2 (ja) 2011-12-21
JP2005536074A (ja) 2005-11-24
CN100595899C (zh) 2010-03-24
CN1675516A (zh) 2005-09-28
AU2003258170A1 (en) 2004-02-25
CN100370221C (zh) 2008-02-20
CN101221917A (zh) 2008-07-16
WO2004015727A2 (en) 2004-02-19
JP4679365B2 (ja) 2011-04-27
EP1546650A1 (de) 2005-06-29
JP2005536075A (ja) 2005-11-24
JP4679364B2 (ja) 2011-04-27
WO2004015365A1 (en) 2004-02-19
TWI314762B (en) 2009-09-11
CN100353140C (zh) 2007-12-05
KR20050047097A (ko) 2005-05-19
EP1529193A2 (de) 2005-05-11
TWI303090B (en) 2008-11-11
EP1529193B1 (de) 2009-10-07
TW200405011A (en) 2004-04-01
JP2005536076A (ja) 2005-11-24
TWI276802B (en) 2007-03-21
EP1546650B1 (de) 2012-10-03
TW200403785A (en) 2004-03-01
AU2003255273A1 (en) 2004-02-25
EP1546649A1 (de) 2005-06-29
AU2003255272A1 (en) 2004-02-25
CN100376864C (zh) 2008-03-26
KR20050028057A (ko) 2005-03-21

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