Patent ID: 9656439
Date: 2017-05-23
CPC Classifications: B32B,F16B,G02B,Y10T

Claim:
1. An assembly of components having different coefficients of thermal expansion (CTEs), the assembly comprising: a first component having a first CTE; a second component having a second CTE different from the first CTE and a protrusion extending from an upper surface thereof; and a spacer, disposed between the first component and the second component, having a third CTE substantially matched to the first CTE and different from the second CTE, the spacer including: a body having opposing upper and lower surfaces and a complementary opening extending therethrough, having a first width, for receiving the protrusion such that a joint between the protrusion and the complementary opening is under compressive stress; and a mounting bar, having a second width less than the first width, integrally formed with the upper surface of the body and laterally extending across the complementary opening to form a partially covered hole, wherein an air gap is disposed between a lower surface of the mounting bar and the upper surface of the body; wherein a mounting area for receiving the first component is disposed on an upper surface of the mounting bar to isolate the first component from the second component; wherein the mounting area and a lower surface of the first component are fixedly joined, and wherein lateral surfaces of the protrusion and the complementary opening are fixed joined; and wherein the protrusion is received within the complementary opening such that the air gap is disposed between the lower surface of the mounting bar and the protrusion and between the lower surface of the first component and the upper surface of the body.