After the modern touch-ups done by Karel Tavernier and Rik Breemeersch (Ucamco) in 2012, again in June 2013, Ucamco published a new proposal. This proposal stated to add three new commands into the Gerber format. These commands were meant to allow inclusion of image attributes conveying metadata attached to the image along with its components. The addition also invited feedback from the Gerber users for pcb fabrication before making these ideas a firm specification.

This new process in the world of China pcb resulted in revision J1 that happened on February 2014. It brought upgradation with further revisions until the revision 2015.07 for pcb fabrication. This also included metadata addition of intelligence to the revised format. Also, it is capable to convert a mere image description format right into a full-fledged PCB data transfer format in China pcb.

This particular behavior discussed above is called the second extension and it resulted in what is now known as Gerber X2, Gerber X1 (the pure image format for pcb fabrication). Gerber X2 is fully backward compatible with Gerber X1. This is because the attributes do not affect the image at all. Gerber X2, on the other side, was developed by Karel Tavernier, Thomas Weyn, and Ludek Brukner.

Again, in September 2014, Ucamco revoked the Standard Gerber. Next year, in August 2015, Ucamco published a new draft specification that added nested step as well as repeat and block apertures to make the panel descriptions highly efficient. This also called for comments from the user community of China pcb. After the reviews, final specification was published in November 2016 which was done after substantial input into pcb fabrication. This latest revision done in China pcb was again developed by Karel Tavernier and Rik Breemeersch. Shortly afterwards, the Cuprum Gerber viewer also developed the first implementation in the world of China pcb.

Next year, in July 2016, Ucamco again published a draft specification in order to include some netlist information in Gerber Format of China pcb. This again called for input from the user community working in pcb fabrication. Right after a number of revisions of the draft triggered by a wide range of input from China pcb users, the draft was finalized on October 2, 2016.

In March 2017, Ucamco once again published a draft specification in order to include pcb fabrication documentation in Gerber. Again, the calling for input from the user community was done which ended up in a lively discussion. After this, the draft went through seven public revisions before being finalized in early April 2018 by China pcb users.

In June of the same year (2017) a free online Reference Gerber Viewer was established and made available by Ucamco. This was pushed out as a complement to the specification added to pcb fabrication. It was updated with brand-new functionality over a time span.

Finally, in October 2019, Ucamco published its latest draft specification. It stated to include component information in Gerber data in China pcb and called for comments from the pcb fabrication user community. The proposal re-uses existing syntax due to which it is backward compatible. Although, the new system is unable to introduce new syntax, it extends Gerber into a new domain. The name decided for this is; Gerber X3. The draft specification for this addition in the world of China pcb was developed by Karel Tavernier alone.

ChinaPCBOne Technology LTD. is the author of this article on pcb fabrication. Find more information, about china pcb.

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