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  1. Technology classes
  2. /G · Physics
  3. /G01 · Measuring
  4. /G01J · Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of
  5. /G01J 9/00 · Measuring optical phase difference
  6. /G01J 9/02 · Measuring optical phase difference: by interferometric methods
  7. /G01J 2009/0242
G01J 2009/0242

Compensator

Official title: {Compensator}

G01J2009/0242 (Compensator) appears on 2 US grants and 2 published applications in this corpus.

Search patents in G01J

Where it sits

  1. GPhysics
  2. G01Measuring
  3. G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of
  4. G01J 9/00Measuring optical phase difference
  5. G01J 9/02Measuring optical phase difference: by interferometric methods
  6. G01J 2009/0242Compensator
Granted patents
2
Published applications
2
Assignees
2
Inventors
7
Latest grant
5 Aug 2025

Filings by year

Granted patentsPublished applications
G01J 2009/0242: granted patents and published applications per publication year
YearGranted patentsPublished applications
202412
202510

20242025

By publication year.

Recent patents

  • Digital adaptive optics encoder module5 Aug 2025US 12,379,575 B2The United States of America as represented by the Secretary of the Navy
  • Single grab overlay measurement of tall targets20 Aug 2024US 12,066,322 B2KLA Corporation
  • Single grab overlay measurement of tall targets16 May 2024US 2024/0159585 A1KLA Corporation
  • Digital Adaptive Optics Encoder Module1 Feb 2024US 2024/0036295 A1The United States of America as represented by the Secretary of the Navy

Most cited

By later US patents
  • Single grab overlay measurement of tall targets1US 12,066,322 B2KLA Corporation · 2024
  • Digital adaptive optics encoder module1US 12,379,575 B2The United States of America as represented by the Secretary of the Navy · 2025

Top assignees

Documents
  • KLA Corporation2
  • USThe United States of America as represented by the Secretary of the Navy2

Often classified with

  • G01DMeasuring not specially adapted for a specific variable2
  • G02BOptical elements, systems or apparatus2
  • G03FPhotomechanical production of textured or patterned surfaces2

Documents that also carry the other class.

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