A method for establishing a vacuum in a container includes the following steps. The container having an exhaust through hole defined therein is provided. A sealing cover including a connecting material located on the periphery of the sealing cover is provided. The sealing cover is spaced from the ex
A method for establishing a vacuum in a container includes the following steps. The container having an exhaust through hole defined therein is provided. A sealing cover including a connecting material located on the periphery of the sealing cover is provided. The sealing cover is spaced from the exhaust through hole for form at least gaps between the sealing cover and the exhaust through hole. A vacuum is established in the container. The connecting material is heated. The sealing cover covers the exhaust through hole and the connecting material is cooled. After that the container is packaged.
대표청구항▼
1. A method for establishing a vacuum in a container, the container comprising an exhaust through hole defined on a top of the container, comprising: providing the container, a sealing cover, and a layer of a connecting material located on a periphery of a lower side of the sealing cover, wherein th
1. A method for establishing a vacuum in a container, the container comprising an exhaust through hole defined on a top of the container, comprising: providing the container, a sealing cover, and a layer of a connecting material located on a periphery of a lower side of the sealing cover, wherein the connecting material has a lower melting-point than that of the sealing cover;arranging one or more supporting elements on and in contact with the container at the periphery of the exhaust through hole to support the sealing cover and space the sealing cover from the exhaust through hole above the exhaust through hole;creating vacuum in the container;melting the connecting material and the one or more supporting elements;covering the exhaust through hole via the sealing cover; andcooling down the melted connecting material and the one or more supporting elements to provide a seal between the container and the sealing cover. 2. The method as claimed in claim 1, wherein the connecting material is placed along the periphery of the lower side of the sealing cover manually or via screen-printing method. 3. The method as claimed in claim 1, further includes a step of removing the air located in the connecting material. 4. The method as claimed in claim 3, wherein the step of removing the air in the connecting material comprises: placing the sealing cover with the connecting material into a vacuum chamber; andheating the connecting material for a predetermined period of time to eject the air therein. 5. The method as claimed in claim 1, wherein the creating vacuum in the container comprises: providing a vacuum room connected to a vacuum pump, and having a heating device in the vacuum room;placing the container and the sealing cover into the vacuum room;pumping the vacuum room to the predetermined vacuum-degree; andheating the container with the heating device. 6. The method as claimed in claim 5, wherein the heating device is selected from the group consisting of electrical heating wire, infrared light and laser. 7. The method as claimed in claim 1, wherein the one or more supporting elements are made of the glass powder. 8. The method as claimed in claim 1, wherein the connecting material comprising a lower melt glass powder. 9. The method as claimed in claim 1, further comprising a step of disposing an object on a top of the sealing cover to provide an external force for the sealing cover. 10. An apparatus, the apparatus comprising: a container having an exhaust through hole;a flat sealing cover above and covering the exhaust through hole;a connecting material located between the container and the flat sealing cover, the connecting material being adapted to form a seal between the container and the flat sealing cover, and a melting point of the sealing cover being greater than that of the connecting material;one or more supporting elements being located on the container at the periphery of the exhaust through hole to support the sealing cover and space the sealing cover from the exhaust through hole above the exhaust through hole, the one or more supporting elements being in contact with both the container and the sealing cover; anda vacuum room accommodating the container, the flat sealing cover, the connecting material, and the one or more supporting elements. 11. The apparatus as claimed in claim 10, further comprising a vacuum pump, wherein the vacuum room is connected to a vacuum pump. 12. The apparatus as claimed in claim 11, further comprising a heating device, wherein the heating device is accommodated by the vacuum room and mounted on an inner-wall of the vacuum room to heat the container. 13. The apparatus as claimed in claim 10, further comprising a getter accommodated by the vacuum room and disposed on the flat sealing cover and located in the exhaust through hole. 14. The apparatus as claimed in claim 10, further comprising an object disposed on a top of the flat sealing cover. 15. The apparatus as claimed in claim 10, wherein the one or more supporting elements have a height larger than 2 mm. 16. An apparatus, the apparatus comprising: a container having an exhaust through hole;a flat sealing cover above and covering the exhaust through hole;a connecting material located between the container and the flat sealing cover, and a melting point of the sealing cover being greater than that of the connecting material;one or more supporting elements being stood on the container at the periphery of the exhaust through hole to support the sealing cover and define a gap allowing air in the container to escape between the flat sealing cover and the container, the one or more supporting elements being in contact with both the container and the sealing cover;an object disposed on a top of the flat sealing cover to provide an external force for the sealing cover; anda vacuum room accommodating the container, the flat sealing cover, the connecting material, and the one or more supporting elements.
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