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MY179070A - Method and system for applying ion-selective membrane on isfet surface - Google Patents

Method and system for applying ion-selective membrane on isfet surface

Info

Publication number
MY179070A
MY179070A MYPI20072179A MYPI20072179A MY179070A MY 179070 A MY179070 A MY 179070A MY PI20072179 A MYPI20072179 A MY PI20072179A MY PI20072179 A MYPI20072179 A MY PI20072179A MY 179070 A MY179070 A MY 179070A
Authority
MY
Malaysia
Prior art keywords
isfet
ion
selective membrane
gate window
applying ion
Prior art date
Application number
MYPI20072179A
Inventor
Mohd Rais Ahmad Dr
Abdul Rashid Nora'zah
Abdul Rani Rozina
Sajidah Abd Aziz Aiman
Original Assignee
Mimos Berhad
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 Mimos Berhad filed Critical Mimos Berhad
Priority to MYPI20072179A priority Critical patent/MY179070A/en
Priority to PCT/MY2008/000172 priority patent/WO2009151309A1/en
Publication of MY179070A publication Critical patent/MY179070A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/414—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS
    • G01N27/4148—Integrated circuits therefor, e.g. fabricated by CMOS processing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Insulated Gate Type Field-Effect Transistor (AREA)

Abstract

The present invention provides a method and system for applying ion-selective membrane on Ion-Sensitive Field Effect Transistor (ISFET) surface without involving a mask step. In one embodiment multi-purpose ISFET devices are first prepared at wafer level using a standard Complementary Metal Oxide Semiconductor (CMOS) fabrication process up to Metal I bond pad and ISFET gate window is open for ion sensing purposes. A retaining structure is applied 105 as a protective layer and to define the gate window opening prior to membrane cocktail application 107 by manually pipetting out through a pipette.
MYPI20072179A 2007-12-06 2007-12-06 Method and system for applying ion-selective membrane on isfet surface MY179070A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MYPI20072179A MY179070A (en) 2007-12-06 2007-12-06 Method and system for applying ion-selective membrane on isfet surface
PCT/MY2008/000172 WO2009151309A1 (en) 2007-12-06 2008-12-03 Method and system for applying ion-selective membrane on isfet surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MYPI20072179A MY179070A (en) 2007-12-06 2007-12-06 Method and system for applying ion-selective membrane on isfet surface

Publications (1)

Publication Number Publication Date
MY179070A true MY179070A (en) 2020-10-27

Family

ID=41416898

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20072179A MY179070A (en) 2007-12-06 2007-12-06 Method and system for applying ion-selective membrane on isfet surface

Country Status (2)

Country Link
MY (1) MY179070A (en)
WO (1) WO2009151309A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012152308A1 (en) * 2011-05-06 2012-11-15 X-Fab Semiconductor Foundries Ag Ion sensitive field effect transistor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5804049A (en) * 1993-09-15 1998-09-08 Chiron Diagnostics Corporation Material for establishing solid state contact for ion selective electrodes
IL152746A0 (en) * 2002-11-11 2003-06-24 Yissum Res Dev Co Biosensor for molecules
US7790112B2 (en) * 2006-03-30 2010-09-07 Council of Scientific & Industual Research Biosensor to determine potassium concentration in human blood serum

Also Published As

Publication number Publication date
WO2009151309A1 (en) 2009-12-17

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MY179070A (en) Method and system for applying ion-selective membrane on isfet surface