| 摘要 |
A cover for use in a cure oven, wherein the cover is configured to enclose an inner volume of a storage cassette air-tightly. The storage cassette is of the kind to store a plurality of leadframe or substrate strips having a die overcoat to be cured. The cover comprises a first opening for supplying an inert gas to the storage cassette and a second opening for letting the inert gas off. A box for use in a cure oven, the box including a storage cassette configured to store a plurality of leadframe or substrate strips having a die overcoat to be cured and a cover to enclose the plurality of leadframe or substrate strips in the storage cassette air-tightly. A first opening is provided for supplying an inert gas to the storage cassette and a second opening is provided for letting the inert gas off. A method of curing a die over coat on a leadframe or substrate, including arranging a plurality of leadframe or substrate strips having a die overcoat to be cured in a storage cassette and enclosing the leadframe or substrate strips in the storage cassette air-tightly in a box which has a first and a second opening. The box is placed in a cure oven and by the first opening an inert gas is supplied into the box for preventing oxidation of the leadframe or substrate strips. The cure oven is heated to cure the die overcoat. |
