Method for making punches using multi-layer ceramic technology
The present invention relates to a method for making punches and more particularly to a method of making sintered carbide punches using multi layer ceramic technology. A method for making small punches by employing multi-layer ceramic (MLC) technology includes the steps of preparing a sublaminate ma...
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| creator | Goland, David B Long, David C Knickerbocker, John U Shinde, Subhash L |
| description | The present invention relates to a method for making punches and more particularly to a method of making sintered carbide punches using multi layer ceramic technology.
A method for making small punches by employing multi-layer ceramic (MLC) technology includes the steps of preparing a sublaminate matrix of a high or low sintering temperature material, drilling holes in the sublaminate using a mask as a guide, filling the holes with punch material paste by a solupor process, laminating the sublaminate to a base plate or as a freestanding substrate, firing a laminate at an appropriate sintering temperature and removing the matrix material by a chemical or mechanical method. In accordance with the present invention, a large number of small punches are made in parallel to precise dimensions of two to ten mils in diameter and approximately 100 mils in length. This method allows that a punch plate array can also be used to simultaneously punch an array of vias in a greensheet and eliminates the additional step of loading individual punches into a punch plate, offering cost and time savings. |
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A method for making small punches by employing multi-layer ceramic (MLC) technology includes the steps of preparing a sublaminate matrix of a high or low sintering temperature material, drilling holes in the sublaminate using a mask as a guide, filling the holes with punch material paste by a solupor process, laminating the sublaminate to a base plate or as a freestanding substrate, firing a laminate at an appropriate sintering temperature and removing the matrix material by a chemical or mechanical method. In accordance with the present invention, a large number of small punches are made in parallel to precise dimensions of two to ten mils in diameter and approximately 100 mils in length. This method allows that a punch plate array can also be used to simultaneously punch an array of vias in a greensheet and eliminates the additional step of loading individual punches into a punch plate, offering cost and time savings.</description><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2002</creationdate><recordtype>patent</recordtype><sourceid>EFH</sourceid><recordid>eNrjZLDzTS3JyE9RSMsvUshNzM7MS1coKM1LzkgtVigtBvFyS3NKMnVzEitTixSSU4sSczOTFUpSkzPy8nPy0yt5GFjTEnOKU3mhNDeDgptriLOHbmlxQWJJal5JcXx6USKIMjAzNjUyMDQxJkIJADT7MZ0</recordid><startdate>20020305</startdate><enddate>20020305</enddate><creator>Goland, David B</creator><creator>Long, David C</creator><creator>Knickerbocker, John U</creator><creator>Shinde, Subhash L</creator><scope>EFH</scope></search><sort><creationdate>20020305</creationdate><title>Method for making punches using multi-layer ceramic technology</title><author>Goland, David B ; Long, David C ; Knickerbocker, John U ; Shinde, Subhash L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-uspatents_grants_063520143</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2002</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Goland, David B</creatorcontrib><creatorcontrib>Long, David C</creatorcontrib><creatorcontrib>Knickerbocker, John U</creatorcontrib><creatorcontrib>Shinde, Subhash L</creatorcontrib><creatorcontrib>International Business Machines Corporation</creatorcontrib><collection>USPTO Issued Patents</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Goland, David B</au><au>Long, David C</au><au>Knickerbocker, John U</au><au>Shinde, Subhash L</au><aucorp>International Business Machines Corporation</aucorp><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for making punches using multi-layer ceramic technology</title><date>2002-03-05</date><risdate>2002</risdate><abstract>The present invention relates to a method for making punches and more particularly to a method of making sintered carbide punches using multi layer ceramic technology.
A method for making small punches by employing multi-layer ceramic (MLC) technology includes the steps of preparing a sublaminate matrix of a high or low sintering temperature material, drilling holes in the sublaminate using a mask as a guide, filling the holes with punch material paste by a solupor process, laminating the sublaminate to a base plate or as a freestanding substrate, firing a laminate at an appropriate sintering temperature and removing the matrix material by a chemical or mechanical method. In accordance with the present invention, a large number of small punches are made in parallel to precise dimensions of two to ten mils in diameter and approximately 100 mils in length. This method allows that a punch plate array can also be used to simultaneously punch an array of vias in a greensheet and eliminates the additional step of loading individual punches into a punch plate, offering cost and time savings.</abstract><oa>free_for_read</oa></addata></record> |
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| title | Method for making punches using multi-layer ceramic technology |
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