[labnetwork] FW: HF compatible container for single wafer dipping

Tue Feb 25 14:17:11 EST 2020

Hi Chito,

I sent your question to a company that I think highly of and they sent back a quote for this tank. I’m forwarding it on to you as you’re the one needing it. Specialty Plastics manufactures wet benches, tanks, totes and most anything related to plastic manufacturing. They will treat you well.

Contact information is attached and is below.

Regards,

Tom

Tom Britton
Director of Sales
Critical Systems, Inc.
Direct: 208.890.1417
Office: 877.572.5515
Skype: tombrittoncsi
www.CriticalSystemsInc.com<http://www.criticalsystemsinc.com/>

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From: cblevins at spfco.net <cblevins at spfco.net>
Sent: Tuesday, February 25, 2020 12:01 PM
To: Tom Britton <tbritton at criticalsystemsinc.com>
Cc: 'Tyree Sibert' <tsibert at spfco.net>; 'Brian Johnson' <bjohnson at spfco.net>; bbente at spfco.net
Subject: RE: [labnetwork] HF compatible container for single wafer dipping

Hi Tom,

Please see the attached quotation and let me know if there is anything else I can assist with.

Thanks,

Cody Blevins
FAB Manager

[cid:image001.png at 01D5EBD3.4BB7A110]
11562 W. President Dr., Boise, ID 83713, USA
T:  (208) 378-1195 / (800) 347-3602
F:  (208) 378-1198
M: (208) 841-1981
E: cblevins at spfco.net<mailto:cblevins at spfco.net>
W: www.spfco.net<http://www.spfco.net/>

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From: Chito Kendrick <cekendri at mtu.edu<mailto:cekendri at mtu.edu>>
Date: February 25, 2020 at 9:45:19 AM MST
To: Fab Network <labnetwork at mtl.mit.edu<mailto:labnetwork at mtl.mit.edu>>
Subject: [labnetwork] HF compatible container for single wafer dipping

Dear,

Before I spend a whole lot of time fabricating a container, I do have a plastic welder, I want to see if anyone knows of a company that sells narrow containers with a flat stable bottom for single wafer dipping of wafers.

We have a fairly standard wet bench for processing wafers by RCA/HF/solvents. However this means we need to have at least 10L of chemicals to cover 25 4" wafers in a standard carrier if we want to use the bench baths. For single wafers we have flat containers to use less HF, but students have a lot of issues with getting wafers in/out with teflon tweezers and with the extra PPE gloves. We do have holders for single wafers, but with the amount of processing we are currently doing 10L of 5% HF or 6:1 BOE is just a waste for the odd wafer and leaving HF in the bath does lead to it reducing in volume.

Therefore, I am looking for a container that is 1"x5"x8" (WxDxH) and has a large base as it will be top heavy being so narrow. This will allow wafer dipping with the holders and removes handling issues.

Regards,

Chito Kendrick

--
Chito Kendrick Ph.D.<https://sites.google.com/site/chitokendrickphd/>

Managing Director of the Microfabrication Facility
Research Assistant Professor
Electrical and Computer Engineering
Michigan Technological University
Room 436 M&M Building
1400 Townsend Dr.
Houghton, Michigan 49931-1295

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