General > General Technical Chat
Inside USB-C Cables
MarkF:
Adam Savage posted a very interesting look at USB-C cables.
Adam is joined by electrical engineer Zach Radding to examine Lumafield's CT scans of
various USB-C cables to understand the engineering and components that make up these cables.
Someone:
Right in the clickbaity land image for that video, a generic (unmarked, presumably USB) cable compared to a thunderbolt cable.
Not USB-C vs USB-C
SiliconWizard:
Yes.
And even without Thunderbolt, there are a myriad of different configurations for USB-C cables just from the specs, so even for manufacturers that fully comply, a lot of variation out there.
USB-C is a very complex spec and there's a general misconception that anything marked "USB-C" would universally cover the full spec. Not at all, it's nearly impossible anyway.
MarkF:
I just don't care if they meet USB-C specifications...
I don't even care if they are USB-C cables or not...
I just found it interesting how the cables were constructed and the different wiring being used.
I didn't know they could do a CT-Scan of cables and get that kind of detail when metal was involved.
I have had to get many CT-Scans and always have to remove anything metal.
tooki:
--- Quote from: MarkF on March 22, 2024, 02:10:12 am ---I just don't care if they meet USB-C specifications...
I don't even care if they are USB-C cables or not...
I just found it interesting how the cables were constructed and the different wiring being used.
I didn't know they could do a CT-Scan of cables and get that kind of detail when metal was involved.
I have had to get many CT-Scans and always have to remove anything metal.
--- End quote ---
You have to remove metal for an MRI. You don’t need to remove metal for a CT scan for safety, only to prevent it from affecting image quality, and that problem can be corrected to a significant degree by special methods the doctor can order (e.g. when a patient has metal implants).
CT is just computerized 3D x-ray scanning. Basically, a medical CT scanner is optimized for visualizing biological tissues, not metal. Industrial CT scanners are optimized for inspecting objects, not biological tissues.
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