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Letter Ballots

Letter ballots are periodically issued by SEMI Standards. The letter ballot is the first step in the approval process required for publication of a new or revised standard.
Cycle 08-19 will open on October 25, 2019.


How to Vote on SEMI Standards Ballots

Detailed instructions on how to view ballot files and how to vote on SEMI Standards ballots. Includes screenshots.

Informational Ballots 
Informational ballots are use to receive comments and refine a standards draft document prior to being issued as a Letter Ballot.

Recently Approved Ballots 
Draft Documents recently approved by various Technical Committees.  Pending successful procedural review, these Documents will be approved for publications.

Procedural Review Results: October 2019August 2019June 2019 May 2019 | January 2019 | December 2018 | October 2018 August 2018 July 2018 | May 2018 | March 2018 | January 2018 
The ISC A&R SC shall determine whether the procedural requirements of these Regulations have been met and whether a satisfactory consensus has been reached on standards actions. (Regulations ¶ 11.1).

SEMI Standards Critical Dates 
Document submission deadlines and voting periods for upcoming technical ballots in 2019.