发明名称 |
Imaging composition |
摘要 |
A composition responsive to magnetic fields and comprising a ferrofluid and metal flakes. The metal flakes align with the ferrofluid in response to magnetic lines of force and along the magnetic lines of force. Excellent contrast is provided between portions of the composition wherein the metal flakes are seen along edges or ends and portions of the composition wherein the broad surface area of the flakes are presented to view.
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申请公布号 |
US4100088(A) |
申请公布日期 |
1978.07.11 |
申请号 |
US19760702362 |
申请日期 |
1976.07.02 |
申请人 |
XEROX CORPORATION |
发明人 |
HAAS, WERNER E. L.;DIR, GARY A. |
分类号 |
G01N27/84;(IPC1-7):G01N27/00 |
主分类号 |
G01N27/84 |
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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