▎ 摘　　要

NOVELTY - The device has a stretching mechanism provided with a first pushing piece and a second pushing piece. A sensing mechanism is connected with a deformable body and a first substrate. A side of the first and second pushing pieces is provided with an abutting unit along a first direction. The first direction is connected to the second direction. A displacement detection system detects a deformation amount of the stretching mechanism and the deformation of the deforming body. The deformation body is formed as a cylindrical structure. USE - In-situ stretching device for use in a micro-nano mechanical and precise mechanical technology field. Uses include but are not limited to electronic microscopic scanning imaging and transmission imaging technology, FIB ion beam etching technology, graphene, boron nitride and carbon nano-tube. ADVANTAGE - The in-situ stretching device does not need external load sensor, using the sensing mechanism of itself can realize the measurement of the force of the test piece, and the mechanism of sensing mechanism is simple, and it is convenient to use. The stretching mechanism and sensing mechanism are processed by femtosecond laser, the structure has strong stability, simple technique, low cost and high efficiency, it is not easy to be damage and can be used repeatedly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for manufacturing in situ stretching device. DESCRIPTION OF DRAWING(S) - The drawing shows an in-situ stretching device structure schematic diagram. 100Stretching mechanism 110First pushing piece 120Second pushing piece 130Second substrate 150Contact part 200Sensing mechanism 210Deformable body 211Beam 212First cantilever beam 220First substrate 221Screw hole