Patent Number: 
Section: claims

1. A specimen box for an electron microscope, comprising:a first substrate, which has a first surface, a second surface, a first concave, and one or more first through holes, wherein the first concave is disposed on the second surface, a first thin film corresponding to the first concave is disposed on the first surface, and the first through hole is disposed around the first concave and penetrates through the first substrate;a second substrate, which has a third surface, a fourth surface, and a second concave, wherein the second concave is disposed on the fourth surface, and a second thin film corresponding to the second concave is disposed on the third surface;a metal adhesion layer, which is disposed between the first substrate and the second substrate; andone or more photoelectric elements, which comprises one or more ends, and the photoelectric element is disposed between the first substrate and the second substrate;wherein a space is formed by the first substrate, the second substrate, and the metal adhesion layer, and the end is disposed in the space. 2. The specimen box for an electron microscope as claimed in claim 1, wherein the first through hole penetrates through the first thin film. 3. The specimen box for an electron microscope as claimed in claim 1, wherein the metal adhesion layer is disposed between the second surface and the fourth surface. 4. The specimen box for an electron microscope as claimed in claim 1, wherein the metal adhesion layer is disposed between the second surface and the second thin film. 5. The specimen box for an electron microscope as claimed in claim 1, wherein the photoelectric element is independently a photo fiber or an electrode. 6. The specimen box for an electron microscope as claimed in claim 1, wherein the second substrate further comprises one or more second through holes, wherein the second through hole is disposed around the second concave and penetrates through the second substrate. 7. The specimen box for an electron microscope as claimed in claim 1, wherein the hole size of the first through hole is 10 μm to 1000 μm. 8. The specimen box for an electron microscope as claimed in claim 6, wherein the hole size of the second through hole is 10 μm to 1000 μm. 9. The specimen box for an electron microscope as claimed in claim 1, wherein the specimen box further comprises one or more plugs assembled into the first through holes. 10. The specimen box for an electron microscope as claimed in claim 6, wherein the specimen box further comprises one or more plugs assembled into the second through holes. 11. The specimen box for an electron microscope as claimed in claim 1, wherein the material of the first thin film and the second thin film is independently silicon dioxide (SiO2), silicon nitride (Si3N4), or a combination thereof. 12. The specimen box for an electron microscope as claimed in claim 1, wherein the thickness of the first thin film and the second thin film is independently 1 nm to 100 nm. 13. The specimen box for an electron microscope as claimed in claim 1, wherein a first protective layer is disposed on the surface of the first thin film. 14. The specimen box for an electron microscope as claimed in claim 13, wherein the material of the first protective film is silicon nitride (Si3N4). 15. The specimen box for an electron microscope as claimed in claim 1, wherein a second protective layer is disposed on the surface of the second thin film. 16. The specimen box for an electron microscope as claimed in claim 15, wherein the material of the second protective film is silicon nitride (Si3N4). 17. The specimen box for an electron microscope as claimed in claim 1, wherein the material of the first substrate and the second substrate is independently silicon substrate, glass substrate, or polymer substrate. 18. The specimen box for an electron microscope as claimed in claim 1, wherein the thickness of the first substrate and the second substrate is independently 10 μm to 1000 μm. 19. The specimen box for an electron microscope as claimed in claim 1, wherein the metal adhesion layer comprises a metal material, wherein the metal material is selected from a group consisting of Ti, Cr, Sn, In, Bi, Cu, Ag, Ni, Zn, Au, and Ti—W alloy. 20. The specimen box for an electron microscope as claimed in claim 1, wherein the material of the plugs is selected from a group consisting of Ni—Ti alloy, copper-base alloy, Cu—Zn alloy, Cu—Al—Mn alloy, Cu—Al—Ni alloy, Cu—Al—Be alloy, Cu—Al—Be—Zr alloy, and Cu—Al—Ni—Be alloy. 21. The specimen box for an electron microscope as claimed in claim 1, wherein the volume of the space is 0.01 mm3 to 100 mm3.