Integrated circuit security

A method for manufacturing a product comprising:

• creating a self-assembly (SA) pattern on a substrate, wherein the SA pattern has been initially created using a block copolymer (BCP) which has been annealed on the substrate;
• scanning the SA pattern to capture an image of the SA pattern;
• storing data from the SA pattern in a computer system, to produce stored SA pattern data;
• and
• providing the SA pattern on the product;
• wherein the SA pattern is an information carrying security mark having a set of features with corresponding locations within the information carrying security mark which uniquely identify the product.

Apparatus, comprising:

• a processor;
• a computer memory holding computer program instructions executed by the processor, the computer program instructions comprising:
• program code, operative to receive an image of a self-assembly (SA) pattern on a substrate from a scanner, wherein the SA pattern has been initially created using a block copolymer (BCP) which has been annealed on the substrate;
• program code, operative to store data from the SA pattern in a computer system to produce stored SA pattern data;
• and
• program code, operative to associate the stored SA pattern data with a product;
• wherein the SA pattern is an information carrying security mark having a set of features with corresponding locations within the information carrying security mark which uniquely identify the product.