GB2239716B - Assessment of surface characteristics - Google Patents

Assessment of surface characteristics

Info

Publication number
GB2239716B
GB2239716B GB8929130A GB8929130A GB2239716B GB 2239716 B GB2239716 B GB 2239716B GB 8929130 A GB8929130 A GB 8929130A GB 8929130 A GB8929130 A GB 8929130A GB 2239716 B GB2239716 B GB 2239716B
Authority
GB
United Kingdom
Prior art keywords
assessment
surface characteristics
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB8929130A
Other versions
GB8929130D0 (en
GB2239716A (en
Inventor
Aseervathum Thevaratnam
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marks and Spencer PLC
Original Assignee
Marks and Spencer PLC
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 Marks and Spencer PLC filed Critical Marks and Spencer PLC
Priority to GB8929130A priority Critical patent/GB2239716B/en
Publication of GB8929130D0 publication Critical patent/GB8929130D0/en
Publication of GB2239716A publication Critical patent/GB2239716A/en
Application granted granted Critical
Publication of GB2239716B publication Critical patent/GB2239716B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/021—Interferometers using holographic techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/36—Textiles
    • G01N33/367—Fabric or woven textiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Treatment Of Fiber Materials (AREA)
GB8929130A 1989-12-22 1989-12-22 Assessment of surface characteristics Expired - Fee Related GB2239716B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8929130A GB2239716B (en) 1989-12-22 1989-12-22 Assessment of surface characteristics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8929130A GB2239716B (en) 1989-12-22 1989-12-22 Assessment of surface characteristics

Publications (3)

Publication Number Publication Date
GB8929130D0 GB8929130D0 (en) 1990-02-28
GB2239716A GB2239716A (en) 1991-07-10
GB2239716B true GB2239716B (en) 1994-04-27

Family

ID=10668466

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8929130A Expired - Fee Related GB2239716B (en) 1989-12-22 1989-12-22 Assessment of surface characteristics

Country Status (1)

Country Link
GB (1) GB2239716B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1422180A (en) * 1973-04-10 1976-01-21 Comp Generale Electricite Interferometric observation of small displacements
GB2196144A (en) * 1986-10-09 1988-04-20 Tintometer Limited The Liquid comparator -

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1422180A (en) * 1973-04-10 1976-01-21 Comp Generale Electricite Interferometric observation of small displacements
GB2196144A (en) * 1986-10-09 1988-04-20 Tintometer Limited The Liquid comparator -

Also Published As

Publication number Publication date
GB8929130D0 (en) 1990-02-28
GB2239716A (en) 1991-07-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971222