US 7,521,672 B2
	Ionization plate for mass spectrometry and mass spectrometer
Hiroaki Sato, Tsukuba (Japan); Atsushi Yamamoto, Tsukuba (Japan); Teruyuki Seino, Tsukuba (Japan); Masaki Torimura, Tsukuba (Japan); and Hiroaki Tao, Tsukuba (Japan)
Assigned to National Institute of Advanced Industrial Science and Technology, Tokyo (Japan)
Filed on Apr. 27, 2006, as Appl. No. 11/412,701.
Claims priority of application No. 2005-131588 (JP), filed on Apr. 28, 2005; and application No. 2006-116525 (JP), filed on Apr. 20, 2006.
Prior Publication US 2006/0255262 A1, Nov. 16, 2006
Int. Cl. H01J 49/00 (2006.01)

U.S. Cl. 250—288  [250/281; 250/282]

19 Claims

1. A sample plate for laser desorption ionization mass spectrometry, comprising a surface, on which a plurality of convex quantum dot structures contacting a sample are distributed.