Yes they have come down...the one at the top of the list is about 130us I believe in 3d
Bev Christian <[log in to unmask]> wrote:
>Wee Mei,
>OK, $1 Singapore = $0.73 CDN = $0.71 US. Let's just round to $0.7. So you
>have $70K to $175K, CANUSA. Not a bad pile of money. But unless 3D has
>REALLY come down in price, then you should be aiming at 2D.
>
>Some companies you should consider (only in alphabetical order) are:
>Dage
>Focal Spot
>Glenbrook
>Creative Electron
>Nordson Yestech
>Northstar Imaging
>Omron Electronics
>Scienscope
>Viscom
>VJ Electronix
>X-tek (bought by Nikon)
>Xylon (bought Fein Focus)
>
>I'm sure other TechNetters will name a few others and maybe give you some
>specific tips (probably off-line).
>
>Regards,
>Bev
>RIM
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of Lum Wee Mei
>Sent: Saturday, March 27, 2010 9:55 AM
>To: [log in to unmask]
>Subject: Re: [TN] Personal radiation device for X-ray machine
>
>Guy and Bev,
>
>Thanks for your prompt reply. As mentioned I know nothing about the required
>specifications for the X-ray machine used for PCBA inspection. Is 2D good
>enough for BGAs, LGAs, QFNs or I need a 3D? As for cost, I am not sure, can
>we have one between $100 - $250K (Singapore Dollars)?
>
>I do not think my country, Singapore required company to register their
>X-ray machine. However, I have heard that whoever operate the X-ray machine
>must have a licence to do so and must wear a dosimeter to detect any
>possible leakage during operation.
>
>That is the reason why my company chief safety officer has indicated that we
>need to purchase the dosimeter should we need to use the X-ray machine at
>our vendor's facility.
>
>Thanks and Regards,
>~ Wee Mei ~
>
>________________________________
>
>From: TechNet on behalf of Bev Christian
>Sent: Sat 3/27/2010 9:14 PM
>To: [log in to unmask]
>Subject: Re: [TN] Personal radiation device for X-ray machine
>
>
>
>Guy,
>Good points. Those same details apply to the province of Ontario and I
>expect they apply to most other states and provinces in our two
>countries.
>Bev
>RIM
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of Guy Ramsey
>Sent: Saturday, March 27, 2010 8:55 AM
>To: [log in to unmask]
>Subject: Re: [TN] Personal radiation device for X-ray machine
>
>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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