Ceramic Tile 2D Bar Codes

These markings on nominal 10mm x 10mm tiles were done using the teachings of US 6518542. Here a black frit patch is ablatively removed (negative image) prior to firing
ceramic_tiles1.jpg

These demo markings are on a ceramic tile which has been fired to 2150 deg. F . The codes and tiles can be any size and would be reusable for tracking parts through through chemical or high temperature processes.



This alumina tag is inserted into a pocket which presents the affixed tag below the surface plane. It therefore cannot be scraped off as the block is scraped during processing.
subsurface chip

This alumina tag is designed for long term , high temperature applications. Click the image to see photo after 24 hours at 2000 deg.F


2000 deg thumbnail