Mark Renne Mark Scamardo Mark Reynolds Enthusiast SEMTech Solutions (STS), incorporated in 2000, has sold hundreds of electron beam products to the scanning electron microscopy (SEM) industry. 526 Ranking Rank: Enthusiast Active 3 years, 7 months ago More Home Posts Submissions Votes Reactions Activity Collections Comments Badges Profile Friends Following Followers Groups Points Upvotes Downvotes No Downvotes Mark Reynolds hasn't downvoted any post yet.