Patent ID: 8237114
Filing Date: 2012-08-07
Classification: H01J

Abstract:
1. A sample target, used to support a sample in ionizing the sample through laser light irradiation so as to carry out mass spectrometry of the sample, said sample target comprising: a sample support surface having a large number of fine pores on its face receiving the irradiated laser light, the face receiving the irradiated laser light is coated with a metal or a semiconductor, each of the fine pores having a diameter of 30 nm or more and less than 5 μm, the number indicative of pore depth/(pore cycle−pore diameter) of each of the fine pores being 2 or more and 50 or less, each of the fine pores has a bottom, the fine pores are isolated from each other such that the sample cannot pass through an interval between the fine pores, the pore cycle is 30 nm or more and less than 5 μm, the sample support surface being made of resin or ceramics.