FORMING SACRIFICIAL STRUCTURES USING PHASE-CHANGE MATERIALS THAT SUBLIMATE

• Main Authors: Ng Tse Nga, Ready Steven E, Hsieh Bing R
• Format: Patent
• Language: English
• Published: 20.04.2017
• Subjects: ADDITIVE MANUFACTURING TECHNOLOGY; ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

A structure can include a first layer of a polymer material and a second layer of the polymer material on the first layer, the first and second layers of the polymer material defining a hollow space that was formed by way of a temporary sacrificial structure that was made of a sublimable material.