[Fwd: Re: Annealing Lithium Tantalate at Tylan4]

[Mary Tang]

A bit (he's from Coherent.)  However, I just sent an email asking if he
could use our muffle furnace in the wafersaw room and he said it would
be fine.  Now, I need to fix it (I just ordered new elements, which
should hopefully do the trick.)  I will email Lan and ask if him to wait
for us to repair the little furnace.

Thanks,

Mary

Jim McVittie wrote:

> Mary,
>
> As I said, I am biased toward Si based processing.  How much does Lan
> use our Lab?
>
>     Jim
>
> Mary Tang wrote:
>
>> Hi all --
>>
>> Sorry, I was wrong -- it's not a film on silicon, but crystalline
>> material.  What do you think?
>>
>> Mary
>>
>> -------- Original Message --------
>> Subject: Re: Annealing Lithium Tantalate at Tylan4
      Date: Wed, 11 Aug 2004 14:11:41 -0700 (PDT)
      From: Lan Zhang <lanzhangus at yahoo.com>
        To: Mary Tang <mtang at snf.stanford.edu>
>>
>>  Hi Mary, I attached MSDS for lithium tantalate, which is on SNF
>> MSDS file as well.  The wafer is lithium tantalate (LiTaO3) and no
>> film is on that.  Lithium Tanalate is very stable upto 1200C or
>> higher.  Let me know if you have more question. Thanks,Lan
>>
>> Mary Tang <mtang at snf.stanford.edu> wrote:
>>
>>      Hi Lan --
>>
>>      Do you have more information about your wafers and
>>      material?  Are they silicon-based?  Do you wafers contain
>>      any other unusual films?  We'd like to make sure that any
>>      material that goes into tylan4 does not volatilize or
>>      degrade at processing temperature.  Do you have any
>>      information about the behavior of lithium tantalate under
>>      these conditions?
>>
>>      Thanks,
>>
>>      Mary
>>
>>      Lan Zhang wrote:
>>
>>      > Hello All, I would like to get approval to anneal lithium
>>      > tantalate wafers in air at 620C with Tylan4(gold
>>      > contaminated).  Please let me know if that is OK.
>>      > Thanks,Lan
>>      > ----------------------------------------------------------
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>>      --
>>      Mary X. Tang, Ph.D.
>>      Stanford Nanofabrication Facility
>>      CIS Room 136, Mail Code 4070
>>      Stanford, CA  94305
>>      (650)723-9980
>>      mtang at stanford.edu
>>      http://snf.stanford.edu
>>
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--
Mary X. Tang, Ph.D.
Stanford Nanofabrication Facility
CIS Room 136, Mail Code 4070
Stanford, CA  94305
(650)723-9980
mtang at stanford.edu
http://snf.stanford.edu

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