My Note: Mike Favale* posted a link to an article today which indicates that the recent news (see: http://terahertztechnology.blogspot.com/2013/07/internal-thz-tagging-technique_23.html ) concerning the joint venture by Carnegie Melon and Microsoft to develop a new technology called Infrastructs which embeds information directly inside items which can then be read by a THz scanner and which can be used in 3D printing, used a Picometrix platform.
The researchers employed several off-the-shelf THz emitter-receivers, including Picometrix's T-Ray 4000 model. The team has also developed the software that analyzes the transmissions reflected from a scan of each item, and then links the results to a specific object. - See more at: http://www.rfidjournal.com/articles/view?10856/3#sthash.ylr1UnVB.dpuf
Gizmodo had this to say about Inftrastructs:
Say you have a 3D-printed item you're selling. Maybe you slap a barcode on it that identifies what it is, where it came from, and how much it costs. However, Microsoft has developed a new technology called InfraStructs that offers a better alternative. With it, you could embed information directly inside of an item.
InfraStructs is a passive, material-based tag that can be identified using Terahertz imaging. Terahertz imaging is sort of like X-ray vision, and it's often used in biomedical or aerospace fields for quality control. With InfraStructs, it can see through an item and immediately pick up all kinds of data. InfaStructs could be embedded in even very small items. It could be used for inventory control, interactive gaming, or pretty much anything you'd need to link an object to. You can see how it works in the demo above. And maybe it's our future without sticky labels and price tags or awkward QR codes. [Karl D. Willis, TG Daily]
*(Mike's blog is found here):
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