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In-Reply-To: <365706524.3269005.1680731356881@mail.yahoo.com>
References: <56f502e3581a0ec5723bdadf1153754d@inesc-mn.pt>
<365706524.3269005.1680731356881@mail.yahoo.com>
Message-ID: <000801d96878$2e5ad810$8b108830$@inesc-mn.pt>
Thanks for your help Dennis,
But actually I am able to move the optics, just the stylus arm won?t move accordingly. At one point yesterday the stylus would not go up, then it somehow reset itself and worked for a few measurements and then it would simply not go down. It somehow feels like something in the electronics?
Virginia
Melhores Cumprimentos/Best Regards
Virginia Soares
INESC-MN
Rua Alves Redol,9
1000-029 Lisboa
Portugal
www.inesc-mn.pt
From: Dennis Culver <djculver at aol.com>
Sent: 5 de abril de 2023 22:49
To: vsoares at inesc-mn.pt
Subject: Re: [labnetwork] Dektak 3030 ST stylus issues
Hello Virginia,
With the optics stuck in the UP position, with the focus knob not allowing the user to lower the optics, is typically caused by the stylus sensor circuitry thinking the stylus is on a sample. The most likely issue is that the smoked plexiglass stylus "guard" at the front of the sensor has been pushed UP inadvertently by the optics being driven DOWN, raising the stylus arm UP from its resting position on the small pin in that guard. This happens when the optics are left in a high magnification position where the user can easily lower through the field of focus. You can loosen the Philips head screw attaching that guard to the front of the sensor nose and lower it slightly, then try lowering the optics knob down. If it still does not move, lower the guard a little more, making sure the stylus arm can "swing" within its arc ~ 1/8 inch. If the optics are still stuck in the up position, then its very likely that the sensor tower leadscrew is jammed at its stop within the sensor tower; this will require service by a qualified Veeco/Sloan Technology service engineer. You can contact me directly for additional help.
Dennis J. Culver
Culver Consulting
5960 Valentine Rd.
Unit 14, Mail box 13
Ventura, CA 93003
Ph (805) 648-1184
Fx (805) 648-1485
Cell (805)680-7389
<mailto:dennis at culverequipment.com> dennis at culverequipment.com
Website: <http://www.culverequipment.com> www.culverequipment.com
-----Original Message-----
From: <mailto:vsoares at inesc-mn.pt> vsoares at inesc-mn.pt
To: <mailto:labnetwork at mtl.mit.edu> labnetwork at mtl.mit.edu
Sent: Wed, Apr 5, 2023 10:38 am
Subject: [labnetwork] Dektak 3030 ST stylus issues
Dear all,
our lab still has a Dektak 3030ST profilometer and we are having issues
with the stylus. First it would go down and wouldn't go up, then I
managed to get it working for a few measurements and know we have the
opposite problem: the stylus won't go down.
Plus I moved the optics to see if the sytlus would go up (or down, now
that it is in an upper position), but the scan head doesn't move at all.
Does naybody have any idea what this could be due to?
Thanks
Virginia
--
Melhores cumprimentos/Best Regards
Virginia Soares
<http://www.inesc-mn.pt> www.inesc-mn.pt
INESC-MN
Rua Alves Redol,9
1000-029 LISBOA
PORTUGAL
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From michael.rooks at yale.edu Thu Apr 6 12:42:05 2023
From: michael.rooks at yale.edu (Michael Rooks)
Date: Thu, 6 Apr 2023 12:42:05 -0400
Subject: [labnetwork] Staff Scientist position at Yale University Cleanroom
In-Reply-To: <BL0PR08MB4674AA7D6997E04C6B80E39BE8909@BL0PR08MB4674.namprd08.prod.outlook.com>
References: <BL0PR08MB4674AA7D6997E04C6B80E39BE8909@BL0PR08MB4674.namprd08.prod.outlook.com>
Message-ID: <CAMH=VohV+SYeweVXUPc0=0-LUww8-+h1ozshF6ScJA__Fr6bDw@mail.gmail.com>
The Yale University cleanroom is looking for a talented Staff Scientist to
assist in managing the cleanroom operation. Engineers with hands-on
experience in maintaining equipment related to Dry Etching or Thin Film
Growth, are encouraged to apply. We're also interested in applicants who
have experience in the following areas: (i) toxic gas safety; (ii) UHV
maintenance; (iii) optical lithography.
Applicants must be willing to work in a cleanroom environment, must be
interested in training new users.
See Yale Requisition Number: 80634BR
Posting Title: Staff Scientist
https://sjobs.brassring.com/TGnewUI/Search/Home/Home?partnerid=25053&siteid=5248#jobDetails=1574450_5248
or look on linkedin:
https://www.linkedin.com/jobs/view/3551289737
or contact yong.sun at yale.edu
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From vsoares at inesc-mn.pt Mon Apr 10 12:34:53 2023
From: vsoares at inesc-mn.pt (=?iso-8859-1?Q?Virg=EDnia_Soares?=)
Date: Mon, 10 Apr 2023 17:34:53 +0100
Subject: [labnetwork] Dektak 3030 ST stylus issues
In-Reply-To: <SJ2PR08MB8404ED8F609008A30A47F065D1969@SJ2PR08MB8404.namprd08.prod.outlook.com>
References: <56f502e3581a0ec5723bdadf1153754d@inesc-mn.pt>
<SJ2PR08MB8404ED8F609008A30A47F065D1969@SJ2PR08MB8404.namprd08.prod.outlook.com>
Message-ID: <001a01d96bca$6178c1d0$246a4570$@inesc-mn.pt>
Thank you for your help, actually we found out the problem was that the
motor sometimes gets stuck and we need to help it a bit to move with the Z
axis lead screw and then t starts working again. Probably as Dennis said,
the lubricant may be getting hardened.
Ours is also a 1991 or 1993 vintage tool and obsolete but we finally got
some funding to buy a new one, we just need to keep this one working for the
next few months.
Virgnia