[Fwd: Fwd: Follow-up to Twin Creeks Tests]

Mary Tang mtang at stanford.edu
Sat Jan 17 11:20:53 PST 2009

Hi all --

This is Junjun's response. 


-------- Original Message --------
Subject: 	Fwd: Follow-up to Twin Creeks Tests
Date: 	Thu, 15 Jan 2009 15:51:14 -0800
From: 	junjun wu <junjun at twincreekstechnologies.com>
To: 	Mary Tang <mtang at stanford.edu>
References: 	<c09.4f5638ed.366c9d7e at aol.com> 
<2cbb54a60812100950i3a156ee7m6194cdef1db930cb at mail.gmail.com> 
<3A2113BB15DB0B428C5CD48E0764909707D61FB4 at GSFSRV11.gsf.schmid-group.net> 
<2cbb54a60901151059y314d0e3egac9f7a1dbdd32c34 at mail.gmail.com>

Hi Mary,

The % is from a note from a well established vendor. 5% cyclohexanol is 
the max. Probably I should try 1% as a start.

Thanks a lot for the good source for MSDS and the thoughts on the 
solubility issue. Let me know if there is any other information needed.


---------- Forwarded message ----------
From: *Mike Vyvoda* <mike at twincreekstechnologies.com 
<mailto:mike at twincreekstechnologies.com>>
Date: Thu, Jan 15, 2009 at 10:59 AM
Subject: Fwd: Follow-up to Twin Creeks Tests
To: junjun wu <junjun at twincreekstechnologies.com 
<mailto:junjun at twincreekstechnologies.com>>

Here it is Junjun.

---------- Forwarded message ----------
From: *Paufve, Steve* <Paufve.St at schmid-group.com 
<mailto:Paufve.St at schmid-group.com>>
Date: Wed, Dec 17, 2008 at 8:21 AM
Subject: RE: Follow-up to Twin Creeks Tests
To: Mike Vyvoda <mike at twincreekstechnologies.com 
<mailto:mike at twincreekstechnologies.com>>
Cc: "Demberger, Carsten" <Demberger.Ca at schmid-group.com 
<mailto:Demberger.Ca at schmid-group.com>>, "Schmid, Remote14 - MW" 
<mikessi at aol.com <mailto:mikessi at aol.com>>


The Working Texture Bath is made up of 2% ? 4% KOH with an additive of 
0.01% ? 5% of either Ethy-hexanal or Cylohexenal, operating at 90C. The 
KOH is normally used from a 50% source.

The Working Cleaning Bath is 2% - 5% HCL + 2% - 5% HF at room 
temperature. The HCL is normally used from a 37% source and the HF is 
from a 50% source.

Best Regards,


Mit freundlichen Grüßen aus Freudenstadt
With best regards from Freudenstadt

*Gebr. Schmid GmbH + Co.*

Steve Paufve
- Director Solar Cell Project Management -

Phone +49 (0) 7441 538 125
Mobile +49 (0) 172 7091 455

Handelsregister Stuttgart | Registernummer: HRA 430105 | Komplementäre: 
Christian Schmid und Dieter C. Schmid GmbH
Robert-Bosch-Str. 32-34 | D-72250 Freudenstadt | Handelsregister 
Stuttgart | Registernummer: HRB 430159
Geschäftsführer: Dieter C. Schmid | Christine Schmid | Umsatzsteuer 
ID-Nummer: DE 144253090

*From:* Mike Vyvoda [mailto:mike at twincreekstechnologies.com 
<mailto:mike at twincreekstechnologies.com>]
*Sent:* Mittwoch, 10. Dezember 2008 18:51
*To:* Schmid, Remote14 - MW; Paufve, Steve
*Subject:* Re: Follow-up to Twin Creeks Tests

Mike, Steve --

One additional thing that we need, so that we can get the permits for 
running the texturing process, is the chemical makeup of the bath. 
Ideally we'd need chemical identities as well as concentration levels.



On Sat, Dec 6, 2008 at 7:31 PM, <MikeSSI at aol.com 
<mailto:MikeSSI at aol.com>> wrote:


We are in the process of preparing a drawing and quote for the texture 
system you requested, the final docs should be ready within the next few 

As far as the SiNx tool goes will check on the status at the beginning 
of next week and let you know.

Best Regards - Mike


In a message dated 12/4/2008 9:07:05 P.M. Eastern Standard Time, 
mike at twincreekstechnologies.com <mailto:mike at twincreekstechnologies.com> 

    Steve, I'm following up on the SiNx tool. Please let me know your
    thinking on the availability of the system.

    A second relatively high priority item is a configuration and
    quotation on the texturing system, based on the demo that we ran. I
    haven't received anything yet, and I hope we can move forward on
    that discussion quickly.



Twin Creeks Technologies
408-806-2789 (mobile)
408-894-0771 (fax)
mike at twincreekstechnologies.com <mailto:mike at twincreekstechnologies.com>

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Michael Vyvoda
Twin Creeks Technologies
408-806-2789 (mobile)
408-894-0771 (fax)
mike at twincreekstechnologies.com <mailto:mike at twincreekstechnologies.com>

Junjun Wu
Twin Creeks Technologies
Phone: 408-759-1426
Fax: 408-986-9142

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