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.

Review and vote on ballots at:

Are you voting on SEMI Standards ballots for the first time or need a refresher?  Please use the link to the Voting on Ballots Guide below or click here:

You must be a registered SEMI Standards Member in order to vote on SEMI Standards ballots.  Complete and submit a SEMI Standards Membership Application Form at: