Photoelectric conversion module
View Patent ↗A photoelectric conversion module includes: a substrate having a light transmitting property and having a mounting surface; a photoelectric conversion element mounted on the mounting surface of the substrate; a cover member fixed to the substrate via a solder layer constituted by solder and forming, cooperatively with the substrate, an airtight chamber housing the photoelectric conversion element; and a solder adsorbing film provided near an area fixed to the substrate by the solder layer, in a surface, of the cover member, facing the mounting surface, the solder having an adhesive property to the solder adsorbing film.
1. A photoelectric conversion module comprising:
a substrate having a light transmitting property and having a mounting surface;
a photoelectric conversion element mounted on the mounting surface of said substrate;
a cover member fixed to said substrate via a solder layer constituted by solder and forming, cooperatively with said substrate, an airtight chamber housing said photoelectric conversion element; and
a solder adsorbing film provided near an area fixed to said substrate by the solder layer, in a surface, of said cover member, facing the mounting surface, the solder layer having an adhesive property to said solder adsorbing film.
2. The photoelectric conversion module according to claim 1 , wherein:
said cover member has a depression forming the airtight chamber in the surface facing the mounting surface;
an area near an opening of a wall surface of the depression is inclined relative to the mounting surface; and
said solder adsorbing film is provided at least on the area near the opening of the wall surface of the depression.
3. The photoelectric conversion module according to claim 2 , further comprising:
a conductor pattern formed on the mounting surface and having conductivity; and
an insulating layer provided between said conductor pattern and the solder layer and having an insulating property.
4. The photoelectric conversion module according to claim 3 , wherein said solder adsorbing film covers a whole area of the wall surface of the depression.
5. The photoelectric conversion module according to claim 4 , wherein said solder adsorbing film has conductivity and is grounded.
6. The photoelectric conversion module according to claim 5 , wherein said substrate and said cover member are made of a same material.
7. The photoelectric conversion module according to claim 6 , wherein said substrate and said cover member are each made of one kind selected from a group consisting of silicon, glass, and sapphire.
8. The photoelectric conversion module according to claim 2 , wherein said solder adsorbing film covers a whole area of the wall surface of the depression.
9. The photoelectric conversion module according to claim 8 , wherein said solder adsorbing film has conductivity and is grounded.
10. The photoelectric conversion module according to claim 9 , wherein said substrate and said cover member are made of a same material.
11. The photoelectric conversion module according to claim 10 , wherein said substrate and said cover member are each made of one kind selected from a group consisting of silicon, glass, and sapphire.
12. The photoelectric conversion module according to claim 2 , wherein said substrate and said cover member are made of a same material.
13. The photoelectric conversion module according to claim 12 , wherein said substrate and said cover member are each made of one kind selected from a group consisting of silicon, glass, and sapphire.
14. The photoelectric conversion module according to claim 1 , further comprising:
a conductor pattern formed on the mounting surface and having conductivity; and
an insulating layer provided between said conductor pattern and the solder layer and having an insulating property.
15. The photoelectric conversion module according to claim 14 , wherein said substrate and said cover member are made of a same material.
16. The photoelectric conversion module according to claim 15 , wherein said substrate and said cover member are each made of one kind selected from a group consisting of silicon, glass, and sapphire.
17. The photoelectric conversion module according to claim 1 , wherein said substrate and said cover member are made of a same material.
18. The photoelectric conversion module according to claim 17 , wherein said substrate and said cover member are each made of one kind selected from a group consisting of silicon, glass, and sapphire.
19. The photoelectric conversion module according to claim 1 , wherein said substrate and said cover member are each made of one kind selected from a group consisting of silicon, glass, and sapphire.