80 mm2 sdd

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From: "KULKARNI Mangesh" <[email protected]>

To: "Shouvik" <[email protected]>

Sent Date: Tue 27 July 2010 [11:12:28 AM]

Received

Date: Tue 27 July 2010 [11:13:22 AM]

Subject: RE: RE: RE: FW: EDS System on FESEM

Dear Dr. Shouvik, I thank you for the courtesy extended me during my visit to your office to discuss on our X-max EDS system. Pls. recall to our discussion wherein you requested for the information on capacitance of SiLi Vs SDD and Anode area. Well! Some of this information is proprietary but we share with you for your consumption. SDD vs SiLi capacitance: Typically say 80mm2 area crystal SiLi ~2.6pF and SDD ~0.1pF As regards to anode area in X-max SDD, it is <100um. However our design team also commented that, the SDD capacitance is not the only thing controlling the SDD performance, The performance really depends upon other important factors such as FET design, good design to limit stray capacitance, etc. I have done an experiment at IIT-Mumbai wherein I have analysed same sample with 10mm2 SDD and 80mm2. I will share the data with you soon. Pls. feel free to revert for any query further. Thanks and Regards, Mangesh

From: Shouvik [mailto:[email protected]]

Sent: 18 July 2010 19:06 To: KULKARNI Mangesh

Subject: Re: RE: RE: FW: EDS System on FESEM Dear Sir, 11am is Ok with me on 20th. thanks,

-- Original Message -- From: "KULKARNI Mangesh" <[email protected]> To: "Shouvik" <[email protected]> Date: Sun, 18 Jul 2010 14:29:02 +0100 Subject: RE: RE: FW: EDS System on FESEM

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7/28/2010http://webmail.iiserpune.ac.in/servlet/DetailMail?Cmd=print&Folder=INBOX&Msg=16&...

Dear Sir, Thanks for the reply. I shall come prepare to discuss on all the quires. May I request for your time on Tuesday i.e. 20th July 2010. Any time slot during the day is OK with me. Pls. acknowledge. Thanks and Regards, Mangesh



Subject: Re: RE: FW: EDS System on FESEM Hi, I can meet you. I will be in IISER-Pune. Please cell before coming. 1) is increased capacitance of the 80 mm2 detector a problem. 2) Do you sacrifice count / sec ? 3) Does this large size compromise the speed of scan ? 4) How big will be the difference (quality improvement) as compared to 50 mm2 thanks, Dr. Shouvik Datta

-- Original Message -- From: "KULKARNI Mangesh" <[email protected]> To: "Shouvik" <[email protected]> Date: Fri, 16 Jul 2010 11:24:55 +0100 Subject: RE: FW: EDS System on FESEM Dear Sir, I request for your time next week to discuss more on this in person. We shall share complete day data with you. Thanks and Regards, Mangesh



Subject: Re: FW: EDS System on FESEM Dear Sir, I know that large area SDD increases EDS signal. However, I am still in doubth whether to choose 50 mm2 or 80 mm2. Provide me a very good scientific reason that 80 mm2 is better and cost effective (how much extra compared to 50 mm2 ?) Will it have straay capacitance effects due to large area etc etc



thanks,

-- Original Message -- From: "KULKARNI Mangesh" <[email protected]> To: <[email protected]> Date: Tue, 13 Jul 2010 19:37:20 +0100 Subject: FW: EDS System on FESEM Dear Dr. Datta, Pls. recall to our discussion quite some time back on large area SDD detector X-max for FESEM applications. As I understand that the FESEM configuration is being discussed once again, I request you to kindly look into following message which was sent to Dr. SKK during evaluation. We are happy to inform you that we have recently installed X-max EDS at General Motors in Bangalore wherein we could record even Si L line whose energy is around 92eV ( Below Be). This is unique to X-max EDS system. Pls. go through following message and revert for any clarification required. Thanks and Regards, Mangesh Kulkarni Country Manager - NanoAnalysis

See a demonstration of the X-max detector: X-Max Demo on YouTube Oxford Instrumental Analytical INDIA Liaison Office Tel/Fax: +91 (0) 22 2545 2424 Mobile: +91 (0) 99870 95455 Email: [email protected] www.oxford-instruments.com

From: KULKARNI Mangesh Sent: 16 June 2010 14:14

To: '[email protected]'

Subject: RE: EDS System on FESEM Dear Drs. Kulkarni, This refers to our discussions on your subject requirement. We wish to resubmit the information of our ‘X-max’ large area SDD LN2 free EDS detector to you. As you are aware, FESEM uses lower accelerating voltages and smaller probe size for Nano-area imaging applications. Under these conditions, the yield of characteristic X-rays generated by the sample is less. Hence we have designed



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larger area SDD detectors which offers bigger solid angles and better collection efficiency without compromising the imaging conditions. “X-max “ is available in 20 / 50 / 80mm2 sizes and guarantee resolution of 129eV on Mn-ka as per ISO 15632:2002. The motorised sliding during inserting and retracting EDS detector is available as standard. We have already supplied / received orders for X-max system from following customer locations.

1. Indian Institute of Technology, Mumbai -- X-max 80 2. Indian Institute of Technology, Delhi -- X-max 80 – (Resolution of 124eV obtained) 3. Bhabha Atomic Research Centre, Mumbai -- X-max 80 4. Indira Gandhi Centre for Atomic Research, -- X-max 80

Kalppkam 5. AMPRI ( RRL) – Bhopal --- X-max 50 6. General Electric – Bangalore --- X-max 50 7. General Motors – Bangalore ---- X-max 50 The specifications of X-max are attached herewith. Kindly go through them. We sincerely request you to go for larger area SDD EDS detector for your FESEM applications. Pls feel free to revert of any query that you may have. Thanks and Regards, Mangesh Kulkarni Country Manager - NanoAnalysis

See a demonstration of the X-max detector: X-Max Demo on YouTube Oxford Instrumental Analytical INDIA Liaison Office Tel/Fax: +91 (0) 22 2545 2424 Mobile: +91 (0) 99870 95455 Email: [email protected]

www.oxford-instruments.com

___________________________________________________________________________This e-mail is confidential and is for the addressee only. Please refer to www.oxinst.com/email-statement for regulatory information.

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80 mm2 sdd

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