Patent ID: 11967797
Assignee: NUVOTON TECHNOLOGY CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC H  B | IPC B  H

Claim 0:
1. A puncture forming method of forming a puncture in a sample by irradiating a surface of the sample with a light beam, the puncture forming method comprising:
forming a first puncture by irradiating a first position on the surface of the sample with a first pulse of the light beam; and
forming a second puncture by irradiating a second position on the surface of the sample with a second pulse of the light beam after the forming of the first puncture, the second puncture at least partially overlapping the first puncture, the second position being positioned away from the first position in a first direction,
wherein the second puncture has a tip positioned inside the sample, the tip being bent in a direction opposite to the first direction.