JP2009530619A - マルチカラム電子ビーム検査システムにおけるクロストークの軽減方法 - Google Patents
マルチカラム電子ビーム検査システムにおけるクロストークの軽減方法 Download PDFInfo
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- JP2009530619A JP2009530619A JP2009500570A JP2009500570A JP2009530619A JP 2009530619 A JP2009530619 A JP 2009530619A JP 2009500570 A JP2009500570 A JP 2009500570A JP 2009500570 A JP2009500570 A JP 2009500570A JP 2009530619 A JP2009530619 A JP 2009530619A
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- 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
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- 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
- G01R31/302—Contactless testing
- G01R31/305—Contactless testing using electron beams
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- 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
- H01J2237/25—Tubes for localised analysis using electron or ion beams
- H01J2237/2505—Tubes for localised analysis using electron or ion beams characterised by their application
- H01J2237/2594—Measuring electric fields or potentials
Abstract
Description
本発明の実施形態は、概して、基板を検査するための方法及びシステムに関する。特に、本発明の実施形態はフラットパネルディスプレイの製造において大面積基板を検査するための方法及びシステムに関する。
(関連技術の説明)
Claims (25)
- 少なくとも第1電子ビームカラムと第1電子ビームカラムに隣り合う少なくとも第2電子ビームカラムとの間のクロストークを軽減するための方法であり、
第1トリガイベントを発生させ、
第1トリガイベント後の第1既定時間で、第1電子ビームパルスを第1電子ビームカラムから基板上に放射し、
第1トリガイベント後の第2既定時間で、第1読取枠で第1電子ビームパルスによって生じた第1信号を検出し、
第2トリガイベントを発生させ、
第2トリガイベント後の第3既定時間で、第2電子ビームパルスを第2電子ビームカラムから基板上に放射し、
第2トリガイベント後の第4既定時間で、第2読取枠で第2電子ビームパルスによって生じた第2信号を検出することを含み、
第1読取枠と第2読取枠は異なる時間を占める方法。 - 第1既定時間が実質的に第3既定時間に等しく、第2既定時間が実質的に第4既定時間に等しい請求項1記載の方法。
- 第1読取枠と第2読取枠が重ならない請求項1記載の方法。
- 第1トリガイベントがマスター信号の立ち上がりであり、第2トリガイベントがマスター信号の立ち下がりである請求項1記載の方法。
- 第1トリガイベントがマスター信号の立ち下りであり、第2トリガイベントがマスター信号の立ち上がりである請求項1記載の方法。
- 各電子ビームカラムが約380mmx約440mmである、対角で測定された検査領域を基板上に含む請求項1記載の方法。
- 少なくとも1つの偶数電子ビームカラムをその間に有する複数の奇数電子ビームカラム間でのクロストークを軽減するための方法であり、
立ち上がりと立ち下りを有するマスタークロック信号を送り、
立ち上がりと一致する複数の奇数電子ビームカラム又は少なくとも1つの偶数電子ビームカラムからの第1電子パルスを同期させ、
立下りと一致する複数の奇数電子ビームカラム又は少なくとも1つの偶数電子ビームカラムからの第2電子パルスを同期させることを含み、
第1パルスと第2パルスが遅れの分、離れている方法。 - 同期工程が、立ち上がりの前、後、又は同時の既定時間で放射予定の第1パルスを同期させ、立ち下がりの前、後、又は同時の既定時間で放射予定の第2パルスを同期させることを含む請求項7記載の方法。
- 第1パルス後に第1読取枠内で奇数電子ビームカラムからの第1信号を検出し、
第2パルス後に第2読取枠内で少なくとも1つの偶数電子ビームカラムからの第2信号を検出することを更に含む請求項8記載の方法。 - 第1の電子パルスを奇数電子ビームカラムから放射し、第2の電子パルスを少なくとも1つの偶数電子ビームカラムから放射する請求項7記載の方法。
- 各電子ビームカラムが約380mmx約440mmである、対角で測定された検査領域を基板上に含む請求項7記載の方法。
- 各電子ビームカラムがX方向に約305mmから約330mmである検査領域を基板上に含む請求項7記載の方法。
- 遅延時間が約400nsから約1000nsである請求項7記載の方法。
- 複数の電子ビームカラムを備え、
この複数の電子ビームカラムが、
1つ以上の奇数カラムと1つ以上の偶数カラムを含み、複数の電子ビームカラムのそれぞれはブランキングシステムと検出装置を含み、更に
第1トリガイベントと第2トリガイベントを定義するマスタークロック信号を有する同期化装置を含み、各電子ビームカラムのブランキングシステムと検出装置はマスタークロック信号と通信し、1つ以上の奇数カラムのブランキングシステムは第1トリガイベントでトリガされ、1つ以上の偶数カラムのブランキングシステムは第2トリガイベントでトリガされる、又はその逆である電子ビーム検査システム。 - 1つ以上の偶数カラムを第1トリガイベントでトリガし、1つ以上の奇数カラムを第2トリガイベントでトリガする請求項14記載の検査システム。
- 複数の電子ビームカラムが隣り合い、実質的に直線状にある請求項14記載の検査システム。
- 複数の電子ビームカラムのそれぞれが検査領域を有している請求項14記載の検査システム。
- 1つ以上の奇数カラムのブランキングシステムが第1トリガイベント後の第1既定時間で切り替えを行い、1つ以上の偶数カラムのブランキングシステムが第2トリガイベント後の第2既定時間で切り替えを行う請求項14記載の検査システム。
- 第1既定時間及び第2既定時間が重ならない請求項18記載の検査システム。
- 第1既定時間及び第2既定時間が異なる請求項18記載の検査システム。
- 同期化装置及び検出装置と通信している読取枠を更に含み、1つ以上の奇数カラム用の読取枠が第1トリガイベント後の第1期間に亘ってオンに切り替えられ、1つ以上の偶数カラム用の読取枠が第2トリガイベント後の第2期間に亘ってオンに切り替えられる請求項14記載の検査システム。
- 第1期間及び第2期間が異なり、重ならない請求項21記載の検査システム。
- 複数の電子ビームカラムが少なくとも6個の電子ビームカラムを含む請求項14記載の検査システム。
- 複数の電子ビームカラムが少なくとも8個の電子ビームカラムを含む請求項14記載の検査システム。
- 各電子ビームカラムが約380mmx約440mmである、対角で測定された検査領域を基板上に含む請求項14記載の検査システム。
Applications Claiming Priority (3)
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US78237706P | 2006-03-14 | 2006-03-14 | |
US60/782,377 | 2006-03-14 | ||
PCT/US2007/063759 WO2007106759A2 (en) | 2006-03-14 | 2007-03-12 | Method to reduce cross talk in a multi column e-beam test system |
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JP2009530619A true JP2009530619A (ja) | 2009-08-27 |
JP2009530619A5 JP2009530619A5 (ja) | 2010-04-30 |
JP5829376B2 JP5829376B2 (ja) | 2015-12-09 |
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US (1) | US7569818B2 (ja) |
JP (1) | JP5829376B2 (ja) |
KR (1) | KR101028222B1 (ja) |
CN (2) | CN101400991B (ja) |
TW (1) | TWI323788B (ja) |
WO (1) | WO2007106759A2 (ja) |
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TWI586969B (zh) * | 2016-08-15 | 2017-06-11 | 旺矽科技股份有限公司 | 用於探針測試及清潔設備的探針高度應用方法及其設備 |
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- 2007-03-12 CN CN201110162098.7A patent/CN102353890B/zh active Active
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US20070216428A1 (en) | 2007-09-20 |
CN101400991B (zh) | 2013-03-20 |
WO2007106759A2 (en) | 2007-09-20 |
CN102353890A (zh) | 2012-02-15 |
KR20090004957A (ko) | 2009-01-12 |
KR101028222B1 (ko) | 2011-04-11 |
TW200741230A (en) | 2007-11-01 |
JP5829376B2 (ja) | 2015-12-09 |
US7569818B2 (en) | 2009-08-04 |
CN101400991A (zh) | 2009-04-01 |
TWI323788B (en) | 2010-04-21 |
CN102353890B (zh) | 2014-09-24 |
WO2007106759A3 (en) | 2008-06-26 |
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