Electronics > Projects, Designs, and Technical Stuff
CPLD erase from Airport X-ray scanners
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EEEnthusiast:

--- Quote from: LaserSteve on February 03, 2020, 05:59:20 am ---Boards from the US warehouse which was in plant were blank to begin with. Boards from the Indian logistics warehouse were the ones with glitches. India seems to be a great place for overnight emergency shipping of medical parts to the US for some reason.

The film exposures were in the US.
So were the PICs.
Steve

--- End quote ---
That explains some of it. I have had 2 instances of the boards getting corrupted and both of the time, it originated in India and destination was the USA. It might just happen that all the shipments to the USA are scrutinised more and so they spend more time in the X-ray machine at high power levels. Any time the guys at the customs see an electronic part, which they cannot recognise, they suspect it to be some kind of a bomb set to explode on the flight.
Psi:

--- Quote from: David Hess on February 03, 2020, 04:46:39 am ---Maybe someone left the package in the x-ray machine for an extended inspection?

--- End quote ---

About 12 years ago I was contracted to write a small report into the safety of consumer electronics going through airport xrays.
The airport staff wanted some factual data/evidence when dealing with customers who insisted the xray machine had damaged their device or data.

For the first test I put a hard disk, a floppy disk and USB drive through the machine 5 times and checksum'ed them before/after to confirm data integrity.
Then i sat them on the xray window inside the tunnel with the conveyor off but xrays forced on.  They were in the xray beam continuously for a time that equaled around 9000 cycles through the machine normally. They still all checksum'ed correctly.
LaserSteve:
Did you run that test as cargo or checked/carry-on?
My glitches are ALL cargo.
Steve
EEEnthusiast:

--- Quote from: LaserSteve on February 03, 2020, 10:31:59 am ---Did you run that test as cargo or checked/carry-on?
My glitches are ALL cargo.
Steve

--- End quote ---
It was all cargo mode...
Psi:

--- Quote from: LaserSteve on February 03, 2020, 10:31:59 am ---Did you run that test as cargo or checked/carry-on?
My glitches are ALL cargo.
Steve

--- End quote ---

My tests were using the carry-on baggage xrays
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