发明名称 |
Method for manufacturing a plug |
摘要 |
An apparatus for manufacturing a plug and the manufacturing method. The method includes the following steps. A baseplate located in the bottom of a closed printing chamber is provided. A printed circuit board and a stencil are mounted on the baseplate in sequence. The stencil is aligned to the printed circuit board. An amount of preheated paste is placed on the stencil. A pressure of the closed printing chamber is adjusted to a first pressure. A printing step is performed to form plugs in the printed circuit board. The pressure of the closed printing chamber is adjusted to a second pressure to remove voids trapped in the plugs. The pressure of the closed printing chamber is adjusted to a third pressure. A scraping step is performed to remove the redundant paste.
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申请公布号 |
US6264862(B1) |
申请公布日期 |
2001.07.24 |
申请号 |
US19990246220 |
申请日期 |
1999.02.08 |
申请人 |
WORLD WISER ELECTRONICS INC. |
发明人 |
LIAW BEEN-YU |
分类号 |
B29C39/10;B29C67/08;H01L21/48;H05K3/00;H05K3/12;H05K3/40;(IPC1-7):B29C39/10;B29C39/42;B29C31/04 |
主分类号 |
B29C39/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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