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March 2010

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Subject:
From:
Guy Ramsey <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Guy Ramsey <[log in to unmask]>
Date:
Sat, 27 Mar 2010 08:55:02 -0400
Content-Type:
text/plain
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text/plain (76 lines)
We operate our X-ray equipment under regulations issued by the Commonwealth
of Pennsylvania. We are not require to wear dosimeters. The instrument is
registered with the state and must be tested for leakage its surfaces and
seals. We are also require to have a safety training program and radiation
safety officer. 

Guy

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Lum Wee Mei
Sent: Saturday, March 27, 2010 5:03 AM
To: [log in to unmask]
Subject: [TN] Personal radiation device for X-ray machine

Hello,
 
I have to say here that I have completely no knowledge in X-ray machine for
PCBA but has been tasked to (1) evaluate and with intention to purchase a
suitable X-ray machine for this application and (2) purchase personal
radiation monitoring device.
 
My immediate task is item (2) as we will be using a contractor's X-ray to
carry out X-ray for some of the PCBAs mounted with BGAs and LGAs very soon.
I need to purchase this so-called dosimeter ASAP. I am given a particular
brand and told to get either one of the models. As I stared down on the
specifications between the different models, I am lost in their
translations, what energy range, dose rate, etc, etc. I surfed the internet
to understand more but came face to face with so many literature and brands
that I am "drown" in them. Ignorant I may be, I am sure those specifications
stated in the dosimeter data sheet has to do with the brand or type of X-ray
machine that I use at the contractor's facility or that I am going to
purchase.
 
I really hope some kind souls out there can help me to have some basic
understanding in how I should select the correct dosimeter for my
application. I am looking at one that can be wore around the neck (for both
genders) or clip on breast pocket for male. 
 
Thanks and Regards,
~ Wee Mei ~

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