WO2008008156A3 - Electron induced chemical etching for device diagnosis - Google Patents

Electron induced chemical etching for device diagnosis Download PDF

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Publication number
WO2008008156A3
WO2008008156A3 PCT/US2007/014375 US2007014375W WO2008008156A3 WO 2008008156 A3 WO2008008156 A3 WO 2008008156A3 US 2007014375 W US2007014375 W US 2007014375W WO 2008008156 A3 WO2008008156 A3 WO 2008008156A3
Authority
WO
WIPO (PCT)
Prior art keywords
selectively
chemical etching
reactive material
induced chemical
device diagnosis
Prior art date
Application number
PCT/US2007/014375
Other languages
French (fr)
Other versions
WO2008008156A2 (en
Inventor
Mark J Williamson
Gurtej S Sandhu
Justin R Arrington
Original Assignee
Micron Technolgy Inc
Mark J Williamson
Gurtej S Sandhu
Justin R Arrington
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 Micron Technolgy Inc, Mark J Williamson, Gurtej S Sandhu, Justin R Arrington filed Critical Micron Technolgy Inc
Publication of WO2008008156A2 publication Critical patent/WO2008008156A2/en
Publication of WO2008008156A3 publication Critical patent/WO2008008156A3/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
    • H01L22/10—Measuring as part of the manufacturing process
    • H01L22/14—Measuring as part of the manufacturing process for electrical parameters, e.g. resistance, deep-levels, CV, diffusions by electrical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2851—Testing of integrated circuits [IC]
    • G01R31/2898—Sample preparation, e.g. removing encapsulation, etching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/252—Tubes for spot-analysing by electron or ion beams; Microanalysers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
    • H01J37/28—Electron or ion microscopes; Electron or ion diffraction tubes with scanning beams
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
    • H01J37/305—Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating or etching
    • H01J37/3053—Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating or etching for evaporating or etching
    • H01J37/3056—Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating or etching for evaporating or etching for microworking, e.g. etching of gratings, trimming of electrical components
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/245—Detection characterised by the variable being measured
    • H01J2237/24564—Measurements of electric or magnetic variables, e.g. voltage, current, frequency
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/245—Detection characterised by the variable being measured
    • H01J2237/24592—Inspection and quality control of devices

Abstract

A method of imaging and identifying materials, contamination, fabrication errors, and defects on and below the surface of an integrated circuit (IC) is described. The method may be used in areas smaller than one micron in diameter, and may remove IC layers, either selectively or non-selectively, until a desired depth is obtained. An energetic beam, such as an electron beam, is directed at a selected IC location. The IC has a layer of a solid, fluid or gaseous reactive material, such as a directed stream of a fluorocarbon, formed over the surface of the IC. The energetic beam disassociates the reactive material in or on the region into chemical radicals that chemically attack the surface. The surface may be examined as various layers are selectively removed in the controlled area spot etch, and SEM imaging may then be used to diagnose problems.
PCT/US2007/014375 2006-07-10 2007-06-20 Electron induced chemical etching for device diagnosis WO2008008156A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/483,878 2006-07-10
US11/483,878 US7892978B2 (en) 2006-07-10 2006-07-10 Electron induced chemical etching for device level diagnosis

Publications (2)

Publication Number Publication Date
WO2008008156A2 WO2008008156A2 (en) 2008-01-17
WO2008008156A3 true WO2008008156A3 (en) 2008-03-06

Family

ID=38787724

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/014375 WO2008008156A2 (en) 2006-07-10 2007-06-20 Electron induced chemical etching for device diagnosis

Country Status (3)

Country Link
US (3) US7892978B2 (en)
TW (1) TW200814218A (en)
WO (1) WO2008008156A2 (en)

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US7791055B2 (en) 2006-07-10 2010-09-07 Micron Technology, Inc. Electron induced chemical etching/deposition for enhanced detection of surface defects
US7791071B2 (en) 2006-08-14 2010-09-07 Micron Technology, Inc. Profiling solid state samples
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US7833427B2 (en) 2006-08-14 2010-11-16 Micron Technology, Inc. Electron beam etching device and method
US7892978B2 (en) 2006-07-10 2011-02-22 Micron Technology, Inc. Electron induced chemical etching for device level diagnosis
US8414787B2 (en) 2006-08-14 2013-04-09 Micron Technology, Inc. Electron beam processing device and method using carbon nanotube emitter

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US8014975B2 (en) * 2007-09-28 2011-09-06 Hitachi Global Storage Technologies, Netherlands B.V. FTIR and EDX spectrum library of contaminants found on a HDD and their potential sources
US8093074B2 (en) * 2009-12-18 2012-01-10 United Microelectronics Corp. Analysis method for semiconductor device
US20120007073A1 (en) * 2010-07-06 2012-01-12 Anjum Mehta Semiconductor Wafer Constructions, And Methods For Quality Testing Material Removal Procedures During Semiconductor Fabrication Processes
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US7892978B2 (en) 2011-02-22
US20110139368A1 (en) 2011-06-16
US20080009140A1 (en) 2008-01-10
US20130295700A1 (en) 2013-11-07

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