Figure 1 (image) Science China Press Share Print E-Mail Caption IL process flow. Water ice acts as a positive-tone lithography resist, and alkane ice demonstrates a negative-resist-like capability. Credit ©Science China Press Usage Restrictions Use with credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.