rubberinterposer
https://www.rubberinterposer.com/products/elastomeric-film/
PCB Test Elastomer
PCB Test Elastomer, often made of silicone rubber, is a versatile material used in various applications such as electronic device assembly, vibration dampening, and sealing. Its elastic properties allow for conformal contact in fine pitch applications, making it ideal for use in fine pitch test sockets and as a contact interface in electronic testing and packaging. Contact Interposer for a free quote and check out how our socket semiconductor options can benefit your business.