Search found 166 matches
- Wed Jan 24, 2018 11:32 pm
- Forum: Beginning Holography
- Topic: Is brightness a function of exposure time ?
- Replies: 10
- Views: 11402
Re: Is brightness a function of exposure time ?
It's been literally 40 years since I used potassium permanganate so I may remember incorrectly- is it an oxidizer that can be used to make explosives? I vaguely remember that it's highly staining...
- Fri Dec 15, 2017 9:49 am
- Forum: For Sale / Want to Buy / Trade
- Topic: Looking for used Newport table
- Replies: 0
- Views: 2689
Looking for used Newport table
Hi,
Need a second used Newport table, at least 4'x8', with threaded holes on 1" centers, and four working pneumatic legs.
Thanks.
Need a second used Newport table, at least 4'x8', with threaded holes on 1" centers, and four working pneumatic legs.
Thanks.
- Tue Dec 12, 2017 6:38 pm
- Forum: DCG
- Topic: A quick, effective method of cleaning glass slides for coating
- Replies: 2
- Views: 7776
Re: A quick, effective method of cleaning glass slides for coating
Very interesting video. Thanks.
Not sure though about Comet due to very fine scratching of glass. Maybe ok for DCG but not if you're trying to coat a 1-2um layer of resist I would suspect.
Not sure though about Comet due to very fine scratching of glass. Maybe ok for DCG but not if you're trying to coat a 1-2um layer of resist I would suspect.
- Sat Nov 04, 2017 8:58 am
- Forum: General Holography
- Topic: possible to fix fuzzy integral hologram?
- Replies: 3
- Views: 2952
Re: possible to fix fuzzy integral hologram?
I think Bob Arkin in one of the Facebook holo groups had the correct solution for you. You need to use a clear bulb with a vertical filament. Home Depot still had some a few years ago in 40 & 60 watt sizes. eBay still sells some 100 watt versions by the case but make sure the seller knows that t...
- Tue Oct 17, 2017 9:02 pm
- Forum: Beginning Holography
- Topic: Transmission holograms with relief structures
- Replies: 5
- Views: 3662
Re: Transmission holograms with relief structures
Are you attempting to commercially replicate the EOTech sight?
- Mon Sep 18, 2017 8:42 am
- Forum: For Sale / Want to Buy / Trade
- Topic: Wanted to buy: Newport vph-3&4, SP 3&4, C-1 collars
- Replies: 1
- Views: 2224
Re: Wanted to buy: Newport vph-3&4, SP 3&4, C-1 collars
Quick update. Got all of that equipment I was looking for. Thanks to all that sent leads!
- Sun Sep 10, 2017 11:06 am
- Forum: For Sale / Want to Buy / Trade
- Topic: Wanted to buy: Newport vph-3&4, SP 3&4, C-1 collars
- Replies: 1
- Views: 2224
Wanted to buy: Newport vph-3&4, SP 3&4, C-1 collars
Hi,
I'm looking for a half dozen each of Newport VPH-3&4 tubes, SP-3&4 posts, and C-1 post collars in reasonable condition.
Thanks.
I'm looking for a half dozen each of Newport VPH-3&4 tubes, SP-3&4 posts, and C-1 post collars in reasonable condition.
Thanks.
- Sun Sep 10, 2017 11:05 am
- Forum: For Sale / Want to Buy / Trade
- Topic: Wanted to buy: Newport vph-3&4, SP 3&4, C-1 collars
- Replies: 0
- Views: 2683
Wanted to buy: Newport vph-3&4, SP 3&4, C-1 collars
Hi,
I'm looking for a half dozen each of Newport VPH-3&4 tubes, SP-3&4 posts, and C-1 post collars in reasonable condition.
Thanks.
I'm looking for a half dozen each of Newport VPH-3&4 tubes, SP-3&4 posts, and C-1 post collars in reasonable condition.
Thanks.
- Thu Sep 07, 2017 8:10 am
- Forum: For Sale / Want to Buy / Trade
- Topic: Wanted to buy: NRC Newport MMB & MB-1 mag bases
- Replies: 0
- Views: 2661
Wanted to buy: NRC Newport MMB & MB-1 mag bases
Hi,
Looking for a few Newport MMB mag bases if you have some extras at a reasonable price. Could also use a few MB-1 mag bases, VPH-3 & 4 tubes in good condition, and posts for them.
Thanks,
JB
Looking for a few Newport MMB mag bases if you have some extras at a reasonable price. Could also use a few MB-1 mag bases, VPH-3 & 4 tubes in good condition, and posts for them.
Thanks,
JB
- Thu Sep 07, 2017 7:21 am
- Forum: For Sale / Want to Buy / Trade
- Topic: Holotest Plates on eBay
- Replies: 3
- Views: 2843
Re: Holotest Plates on eBay
Great. Thanks for update.