Technical content of super nanocrystals and kits: The main technical content of this standard is: solid super nanocrystals and kits mainly include the appearance requirements and technical requirements of the product, among which the technical requirements mainly include the bump height requirements of the super nanocrystals; Hollow super nanocrystals and kits mainly include the appearance requirements and technical requirements of the product. The technical requirements mainly include the bump height of the super nanocrystals, the inner diameter of the bump holes and the lateral thrust requirements that the chip can withstand; soluble super nanocrystals Microcrystals and kits mainly include the appearance requirements and technical requirements of the product. The technical requirements mainly include the bump height and dissolution requirements of ultra-nano microcrystals.