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KR960702106A - 단위 면적당 중량을 측정하는 장치 - Google Patents

단위 면적당 중량을 측정하는 장치 Download PDF

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Publication number
KR960702106A
KR960702106A KR1019950704650A KR19950704650A KR960702106A KR 960702106 A KR960702106 A KR 960702106A KR 1019950704650 A KR1019950704650 A KR 1019950704650A KR 19950704650 A KR19950704650 A KR 19950704650A KR 960702106 A KR960702106 A KR 960702106A
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South Korea
Prior art keywords
photodiode
array
radiation source
per unit
unit area
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KR100307030B1 (ko
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샤우스트 칼하인즈
헨 라이너
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이. 라우, 제이. 키리안
호니웰 아게
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/16—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the material being a moving sheet or film

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Radiation (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

종이 웨브(10)의 기본중량을 측정하기 위해, 광다이오드 어레이에 의해 형성된 방사선 소스(16) 및 반도체검출기(20)가 종이 웨브의 양쪽에 측정헤드 내부에 배치된다. 광다이오드 어레이는 금속성 막(30)으로 가시광에 대해 차폐된다. 광다이오드는 종이 웨브를 가로질러 이동되고, 어레이의 각각의 광다이오드의 전류이외에, 동일하게 위치된 광다이오드으 광전류의 평균화가 수행되어 측정에서 신호/잡음 관계를 개선시킨다.

Description

단위 면적당 중량을 측정하는 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 장치의 측면도.
제2도는 사용된 검출기의 평면도.
제3도는 사용된 검출기의 횡단면도.
제4도는 테스트 중인 물질과 측정 헤드를 함께 보여주는 측정 시스템의 전체 도면.

Claims (5)

  1. 박판물질의 한쪽에 방사선 소스를 그리고 상기 물질의 다른 한쪽에 반도체 검출기를 포함하는, 테스트중인 상기 물질, 예를 들면 종이의 기본중량을 측정하기 위한 장치에 있어서, 상기 반도체 검출기(20)가 광다이오드 라인 어레이(221-22n)에 라 분할되고 테스트 중인 상기 물질에 대해 가로 질러 이동하는 것과, 어레이의 각각의 광다이오드(221-22n)의 각각의 전류의 검출이외에 동일하게 위치된 광다이오드의 광전류의 평균화가 수행되는 것을 특징으로 하는 기본중량 측정 장치.
  2. 제1항에 있어서, 방사선 소스(16) 및 광검출기 라인 어레이(20;221-22n) 사이의 조리개(18)의 구멍이 광검출기 라인 어레이의 외형과 매칭되는 것을 특징으로 하는 기본중량 측정 장치.
  3. 제2항에 있어서, 증폭기(241-24n)가 어레이(20)의 각각의 광다이오드(221-22n)에 접속되는 것을 특징으로 하는 기본중량 측정 장치.
  4. 제1항 내지 제3항 중 어느 한 항에 있어서, 광다이오드 어레이(20)가, 온도에 대해 안정화된 냉각 엘리먼트(28) 위에 위치되는 것을 특징으로 하는 기본중량 측정 장치.
  5. 제4항에 있어서, 상기 광다이오드 어레이(20) 이의에 상기 증폭기(34:241-24n) 및 상기 증폭기와 관련된 고저항의 저항(35)이, 온도에 대해 안정화된 상기 냉각 엘리먼트(28) 위에 배치되는 것을 특징으로 하는 기본중량 측정 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950704650A 1993-06-07 1994-06-03 단위면적당중량을측정하는장치 Expired - Fee Related KR100307030B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP93109108.6 1993-06-07
EP93109108A EP0628808B1 (de) 1993-06-07 1993-06-07 Vorrichtung zur Flächengewichtsmessung
PCT/EP1994/001797 WO1994029700A1 (de) 1993-06-07 1994-06-03 Vorrichtung zur flächengewichtsmessung

Publications (2)

Publication Number Publication Date
KR960702106A true KR960702106A (ko) 1996-03-28
KR100307030B1 KR100307030B1 (ko) 2001-12-17

Family

ID=8212969

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950704650A Expired - Fee Related KR100307030B1 (ko) 1993-06-07 1994-06-03 단위면적당중량을측정하는장치

Country Status (7)

Country Link
EP (1) EP0628808B1 (ko)
JP (1) JPH09502014A (ko)
KR (1) KR100307030B1 (ko)
CN (1) CN1089901C (ko)
DE (1) DE59308548D1 (ko)
FI (1) FI112115B (ko)
WO (1) WO1994029700A1 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5576541A (en) * 1995-03-17 1996-11-19 Bickert; Martin Apparatus for measuring the basis weight
DE19913929A1 (de) 1999-03-26 2000-09-28 Voith Sulzer Papiertech Patent Vorrichtung und Verfahren zum Bestimmen von Eigenschaften einer Materialbahn
WO2002090939A1 (en) * 2001-05-09 2002-11-14 Vinod Unnikrishna Kurup Equipment for determining weight per unit area
US6995372B2 (en) * 2003-02-12 2006-02-07 Voith Paper Patent Gmbh Nuclear gauge for measuring a characteristic of a sheet material with sheet position and alignment compensation
SE525320C2 (sv) * 2003-06-06 2005-02-01 More Res Oernskoeldsvik Ab Förfarande och apparatur för bedömning/mätning av ytviktsvariation hos arkmaterial
US7005639B2 (en) * 2003-07-28 2006-02-28 Abb Inc. System and method of composition correction for beta gauges
DE102004057743B4 (de) * 2004-09-08 2007-08-09 Mahlo Gmbh & Co Kg Verfahren und Vorrichtung zum Bestimmen des Flächengewichtes einer geförderten Materialprobe
JP4919115B2 (ja) 2009-09-24 2012-04-18 横河電機株式会社 放射線検査装置
US8660682B2 (en) * 2010-11-22 2014-02-25 Honeywell Asca Inc. Air wipe and sheet guide temperature control on paper and continuous web scanners

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1812893A1 (de) * 1968-12-05 1970-06-18 Knapsack Ag, 5033 Knapsack Anordnung zur Dickenmessung von Walzgut, insbesondere von Folien
US4047029A (en) * 1976-07-02 1977-09-06 Allport John J Self-compensating X-ray or γ-ray thickness gauge
EP0233389A1 (en) * 1986-02-12 1987-08-26 Josef W. Repsch A method of measuring the weight per unit area, density and thickness of a moving sheet
CA1307056C (en) * 1987-03-31 1992-09-01 Adaptive Technologies, Inc. Thickness/density measuring apparatus

Also Published As

Publication number Publication date
EP0628808B1 (de) 1998-05-13
EP0628808A1 (de) 1994-12-14
WO1994029700A1 (de) 1994-12-22
DE59308548D1 (de) 1998-06-18
CN1125002A (zh) 1996-06-19
JPH09502014A (ja) 1997-02-25
FI112115B (fi) 2003-10-31
CN1089901C (zh) 2002-08-28
KR100307030B1 (ko) 2001-12-17
FI955844L (fi) 1995-12-05
FI955844A0 (fi) 1995-12-05

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