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SEMI International Standards
Standards Locale: North America
Committee: Facilities & Gases
Place of Meeting: OVTCCM
Date of Meeting: 02/10/2026
Meeting End Date: 02/10/2026
Recording SEMI Standards Staff: Laura Nguyen
CER Posted to Web: 02/23/2026
Leadership Changes

WG/TF/SC/TC Name
Previous Leader(s)
New Leader(s)
Facilities
SEMI F51 Revision Task ForceDalia Vernikovsky – ASNADalia Vernikovsky – ASNA
Keith Zhao – ASNA [New]
Franics Vo – EKK Eagle America Inc. [New]
Gases
None
TC Chapter Structure Changes
None.

Ballot Results

Document #
Document Title
TC Chapter Action
A&R Forms for Approved Ballots
Facilities
None
Gases
7410Line-Item Revision to SEMI F77-0915, Test Method for Electrochemical Critical Pitting Temperature Testing of Stainless Steel Surfaces Used in Corrosive Gas Systems
L1Replacement of Figures 1 and 2 which were based on pitting potential voltage tests to Figures based on CPT tests.Failed
L2Modification of Test Cell to conform to CPT tests.Failed
L3Modification of CPT test curves showing clear endpoints.Failed
NOTE 1: Passed ballots and line items will be submitted to the ISC Audit & Review Subcommittee for procedural review.
NOTE 2:
Failed ballots and line items were returned to the originating task forces for re-work and re-balloting or abandoning.


Ratification Ballot Results
None.

Activities Approved by the GCS between meetings of TC Chapter meeting

#
Type
SC/TF/WG
Details
Facilities
None
Gases
7423SNARFMass Flow Controllers TFRevision to SEMI E56-0317, Test Method for Determining Accuracy, Linearity, Repeatability, Short-Term Reproducibility, Hysteresis, and Deadband of Thermal Mass Flow Controllers
– Approved by GCS on 12/17/2025
7424SNARFMass Flow Controllers TFRevision to SEMI E66-0611 (Reapproved 0517), Test Method for Determining Particle Contribution by Mass Flow Controllers
– Approved by GCS on 12/17/2025


Authorized Activities
Listing of all revised or new SNARF(s) and TFOF(s) approved by the Originating TC Chapter.
#
Type
SC/TF/WG
Details
Facilities
TFOFSEMI F51 Revision TFRevised TFOF for SEMI F51 Revision Task Force.
7458SNARFSEMI F51 Revision TFRevision to SEMI F51-0917, Guide for Elastometric Sealing Technology
Gases
7459SNARFGases Specification TFRevision to SEMI F113-1116, Test Method for Pressure Transducers Used in Gas Delivery Systems
#1: SNARFs and TFOFs are available for review on the SEMI Web site at: http://downloads.semi.org/web/wstdsbal.nsf/TFOFSNARF

Authorized Ballots
Listing of documents authorized by the Originating TC Chapter for Letter Ballot.
#
When
TF
Details
Facilities
None
Gases
7325Cycle 4, 2026Filters and Purifiers TFRevision to SEMI F28-1103 (Reapproved 0815), Test Method for Measuring Particle Generation from Process Panels
7326Cycle 4, 2026Filters and Purifiers TFRevision to SEMI F43-0308 (Reapproved 0613), Test Method for Determination of Particle Contribution by Point-of-Use Gas Purifiers and Gas Filters
7459Cycle 4, 2026Gases Specification TFRevision to SEMI F113-1116, Test Method for Pressure Transducers Used in Gas Delivery Systems


SNARF(s) Granted a One-Year Extension

#
TF
Title
Expiration Date
Facilities
None
Gases
6612Materials of Construction of Gas Delivery Systems TFNew Subordinate Standard: Test Method for the Determination of Conductance of Fluid Handling Components at Subatmoshperic and Vacuum Pressure, to SEMI F32-0211, Test Method for Determination of Flow Coefficient for High Purity Shutoff ValvesWinter 2027
#1: If the Standards Document Development Project is found to be continuing, but cannot be completed within the current project
period, the TC Chapter may grant a one-year extension at a time, as many times as necessary. [
Regulations § 8.3]


SNARF(s) Cancelled

#
TF
Title
Facilities
None
Gases
7153Mass Flow Controllers TFLine-Item Revision to SEMI E66-0611 (Reapproved 0517), Test Method for Determining Particle Contribution by Mass Flow Controllers
7327Mass Flow Controllers TFLine-Item Revision to SEMI E56-0317, Test Method for Determining Accuracy, Linearity, Repeatability, Short-Term Reproducibility, Hysteresis, and Deadband of Thermal Mass Flow Controllers
7410Materials of Construction of Gas Delivery Systems TFLine-Item Revision to SEMI F77-0915, Test Method for Electrochemical Critical Pitting Temperature Testing of Stainless Steel Surfaces Used in Corrosive Gas Systems
(TF plans to reissue new SNARF for major revision)


Standard(s) to receive Inactive Status
None.

Special Announcements of the Committee (Workshops, Programs, etc.)
None.

Next Meeting

The next SEMI Standards NA Meetings are tentatively scheduled for the week of May 11-14, 2026, to be held in-person and virtual in conjunction with ASMC in Albany, New York. Schedule details TBD. https://www.semi.org/en/products-services/standards.

Facilities and Gases Task Forces meet on Monday, and the TC Chapter will meet on Tuesday

Tentative Schedule


    · Monday, May 11 (Eastern)

      Gases

        o 09:00-10:00, Materials of Construction of Gas Delivery Systems TF

        o 10:00-11:00, Filters & Purifiers TF

        o 11:00-12:00, Mass Flow Controller TF

        o 13:00-14:00, Gases Specification TF

        o 14:00-15:00, Heater Jacket TF


      Facilities

        o TBD with SCIS? -- SEMI F51 Revision TF

        o 13:00-14:00, Voltage Sag Immunity TF

        o 15:00-16:00, Manufacturing Equipment Installation TF

    · Tuesday, May 12 (Eastern)
        o 9:00-12:00 Noon, Facilities & Gases NA TC Chapter









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