1. An oven comprising:
a cavity receiving food;
a plurality of heaters that heat the food within the cavity;
a plurality of fans blowing air heated by the heater toward the food within the cavity; and
at least one covering member covering simultaneously the heaters and the fans,
wherein the fans have respective shafts that are different in height from a bottom surface of the cavity,
wherein the covering member, together with the cavity, defines a heater chamber in which air is heated by the heater, and
wherein the covering member includes a dividing portion dividing the heating chamber into a plurality of heating chambers.
2. The oven according to claim 1, wherein the covering member defines a plurality of discharging holes in a side thereof.
3. The oven according to claim 1, wherein a shaft of one of the fans is disposed below an imaginary horizontal centerline dividing the cavity into equal upper and lower halves, and a shaft of another of the fans is disposed above the imaginary horizontal centerline.
4. An oven comprising:
a cavity defining a cooking compartment;
a plurality of heaters and a plurality of fans within the cavity; and
at least one covering member coupled to an inner side of the cavity, and covering at least one of the heaters and one of the fans,
wherein the covering member defines at least one suctioning hole and at least one discharging hole,
wherein the covering member simultaneously covers the heaters and the fans,
wherein the covering member, together with the cavity, defines a heating chamber in which air is heated by the heater, and
wherein the covering member includes a dividing portion dividing the heating chamber into a plurality of heating chambers.
5. The oven according to claim 4, wherein the covering member defines the suctioning hole in plurality.
6. The oven according to claim 4, wherein the fans have respective shafts with respectively different heights from a bottom surface of the cavity.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for solid body joining of a carrier body and a cover layer, wherein the cover layer is pressed with a pressing force against a carrier body surface, wherein
the carrier body surface has a curvature, and
the pressing force during the solid body joining is distributed by way of a pressure intermediary device areally and simultaneously over the whole cover layer and is directed perpendicularly to the curvature of the carrier body surface.
2. The method according to claim 1, wherein
the pressing force is created with a pressing piston, and
the pressure intermediary device comprises a deformable layer of a flowable solid or fluid material which is arranged between the pressing piston and the cover layer and is pressed with the pressing piston against the cover layer.
3. The method according to claim 2, having at least one of the features
the flowable material comprises a particulate material, a deformable solid material or a fluid, and
the flowable material is connected to the pressing piston.
4. The method according to claim 3, wherein
the particulate material comprises ceramics spheres.
5. The method according to claim 1, wherein
the pressing force is generated by way of an ambient pressure, and
the pressure intermediary device comprises a gaseous material on which the ambient pressure acts and which covers the cover layer.
6. The method according to claim 1, wherein
the carrier body is made of a ceramics material, the carrier body surface of which contains silicon, and the cover layer is made of an Na-based glass.
7. The method according to claim 1, comprising the step
heating the cover layer so that the cover layer is plastically deformable.
8. The method according to claim 1, wherein
the carrier body surface has a spherical curvature.
9. The method according to claim 1, comprising at least one of the steps
mechanically processing a free surface of the cover layer, and
solid body joining of the carrier body and a further cover layer, which is connected to a further carrier body surface of the carrier body.
10. The method according to claim 9, wherein
the carrier body surface is provided with a spherical curvature, and
the free surface of the cover layer is manufactured with an aspherical curvature by way of mechanical processing.
11. The method according to claim 1, wherein
the solid body joining of the cover layer to the carrier body comprises anodic bonding.
12. The method according to claim 11, comprising the step
surface treatment of the carrier body surface such that gaseous reaction products of the anodic bonding are absorbed at the carrier body surface or are conducted into a surroundings of the carrier body and the cover layer.
13. The method according to claim 12, wherein the surface treatment of the carrier body surface comprises
roughening of the carrier body surface by etching, or
deposition of a gas absorption layer.
14. The method according to claim 13, wherein the gas absorption layer is made of SiO2.
15. A composite component, comprising a carrier body and a cover layer, wherein an areal joining region is formed between a cover layer surface and a carrier body surface, wherein
the carrier body surface has a curvature, and
the areal joining region is formed between the cover layer surface and the curved carrier body surface, uniformly over their extent.
16. The composite component according to claim 15, wherein
the joining region comprises a bond connection formed by anodic bonding which has an ion concentration gradient over a border area between the carrier body surface and the cover layer surface.
17. The composite component according to claim 15, having at least one of the features
the carrier body and the cover layer form an optical component, and
a further carrier body surface of the carrier body is connected by way of a joining region to a further cover layer.
18. The composite component according to claim 17, wherein
the optical component is a mirror.
19. The composite component according to claim 15, wherein
the carrier body surface has a spherical curvature, and
a free surface of the cover layer has an aspherical curvature.