Manually dismantle and open all kinds of MCU series, only support plastic chip. Retain the gold wire and the bracket to fully display the internal structure of the chip; Suitable for desktop decoration, learning, viewing, resin solid seal can be long-term collection; Chip model: 89C52RCT (can be customized other 51-52 microcontroller, the price is negotiable) Package material: high permeability resin Appearance size: 30mm*30mm*10mm (length * width * thickness) Layering: no front side, no obvious delamination on the side; Spot: 1 piece Customized time: 7-14 days Customized problems may arise: special products, it is difficult to perfect, the owner can only guarantee to make the best. Support the development of chip customization, the price to be negotiated!