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    • 3. 发明授权
    • Method and apparatus for masking a workpiece with ink
    • 用油墨掩蔽工件的方法和装置
    • US06869155B1
    • 2005-03-22
    • US09923755
    • 2001-08-06
    • Borislav Zlatanov
    • Borislav Zlatanov
    • B41J3/00G03F1/00
    • G03F7/2018G03F7/70941
    • A method and apparatus for masking a workpiece with a layer of ink from an inkjet head is disclosed. The masking prevents exposure of select regions of a photosensitive workpiece. The apparatus includes a workpiece pre-aligner for movably supporting and aligning the workpiece. The inkjet head is arranged to be in operable communication with the photosensitive layer of the workpiece when positioned on the pre-aligner and is adapted for providing a select mask of opaque ink on a photosensitive layer. Where the photosensitive layer is a negative tone photoresist, upon exposure the portion of the photosensitive layer that is not exposed because of the presence of the mask is removed upon developing. In this manner, select regions of the workpiece can be kept clear of photoresist or otherwise patterned with indicia such as alphanumeric symbols or barcodes.
    • 公开了一种用于利用来自喷墨头的墨水层掩蔽工件的方法和装置。 掩模防止感光工件的选择区域的曝光。 该装置包括用于可移动地支撑和对准工件的工件预对准器。 喷墨头被布置成当定位在预对准器上时与工件的感光层可操作地连通,并且适于在感光层上提供不透明油墨的选择掩模。 当感光层为负色调光致抗蚀剂时,曝光后由于存在掩模而未被曝光的感光层的部分在显影时被去除。 以这种方式,工件的选择区域可以保持清除光致抗蚀剂或以其他方式用标记(如字母数字符号或条形码)图案化。