US 12,223,293 B2
Random number generation method and random number generator using inorganic scintillator
Bu Suk Jeong, Yongin-si (KR); Dae Hyun Nam, Seoul (KR); Jung Hyun Baik, Seongnam-si (KR); Seong Joon Cho, Seongnam-si (KR); and Jun Ha Jin, Daejeon (KR)
Assigned to EYL INC., Yongin-si (KR)
Appl. No. 17/267,911
Filed by EYL INC., Yongin-si (KR)
PCT Filed Nov. 19, 2018, PCT No. PCT/KR2018/014066
§ 371(c)(1), (2) Date Feb. 11, 2021,
PCT Pub. No. WO2020/036259, PCT Pub. Date Feb. 20, 2020.
Claims priority of application No. 10-2018-0094366 (KR), filed on Aug. 13, 2018.
Prior Publication US 2021/0247965 A1, Aug. 12, 2021
Int. Cl. G06F 7/58 (2006.01); C09K 11/58 (2006.01)
CPC G06F 7/588 (2013.01) [C09K 11/584 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A random number generator comprising:
a radioisotope emission layer emitting an alpha particle or a beta particle that is emitted when an atomic nucleus decays;
a polymer layer disposed under the radioisotope emission layer and having inorganic scintillator powders mixed therein;
a wafer layer disposed under the polymer layer and including a photodiode;
a coupler having the same width as the photodiode, and the coupler disposed between the photodiode and the polymer layer; and
a reflector disposed around the polymer layer except a part where the coupler is disposed between the photodiode and the polymer layer,
wherein
a horizontal width of the radioisotope emission layer is the same as a horizontal width of the polymer layer,
a horizontal width of the wafer layer is larger than the horizontal widths of the radioisotope emission layer and the polymer layer, and
the photodiode is formed in an upper part of the wafer layer in order to face the polymer layer.