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    • 4. 发明授权
    • Micro-fluid ejecting device having embedded memory devices
    • 具有嵌入式存储器件的微流体喷射装置
    • US07673973B2
    • 2010-03-09
    • US11752551
    • 2007-05-23
    • John G. EdelenGeorge K. ParishKristi M. Rowe
    • John G. EdelenGeorge K. ParishKristi M. Rowe
    • B41J2/05
    • B41J2/14016B41J2/04541B41J2/0458B41J2/04581B41J2/14201B41J2202/13B41J2202/17
    • A micro-fluid ejecting device includes a semiconductor substrate, a plurality of fluid ejection elements formed on the semiconductor substrate, and a plurality of nonvolatile programmable memory devices for storing information related to the operation of the micro-fluid ejecting device. The programmable memory devices, which are at least partially embedded in the semiconductor substrate, each include a source region and a drain region formed in the semiconductor substrate. The source and drain regions have a conductivity type which is opposite the conductivity type of the semiconductor substrate. An insulative layer is formed on the semiconductor substrate over the source region and drain region. A floating gate region is formed on the insulative layer and is spatially disposed between the source region and drain region. The floating gate region is electrically insulated from the source and drain regions by the insulative layer. Electrical contacts are connected to the source region and the drain region. The programmable memory devices collectively provide a high density of memory bits embedded on the substrate for storing information about the micro-fluid ejecting device.
    • 微流体喷射装置包括半导体衬底,形成在半导体衬底上的多个流体喷射元件和用于存储与微流体喷射装置的操作有关的信息的多个非易失性可编程存储器件。 至少部分地嵌入在半导体衬底中的可编程存储器件各自包括形成在半导体衬底中的源极区域和漏极区域。 源区和漏区具有与半导体衬底的导电类型相反的导电类型。 在源极区域和漏极区域上的半导体衬底上形成绝缘层。 在绝缘层上形成浮栅区域,并且空间地设置在源极区域和漏极区域之间。 浮置栅极区域通过绝缘层与源极和漏极区域电绝缘。 电触点连接到源区和漏区。 可编程存储器装置共同提供嵌入在衬底上的高密度存储器位,用于存储关于微流体喷射装置的信息。
    • 5. 发明授权
    • Micro-fluid ejecting device having embedded memory in communication with an external controller
    • 具有与外部控制器通信的嵌入式存储器的微流体喷射装置
    • US07954929B2
    • 2011-06-07
    • US11858611
    • 2007-09-20
    • John G. EdelenGeorge K. ParishKristi M. Rowe
    • John G. EdelenGeorge K. ParishKristi M. Rowe
    • B41J2/05
    • B41J2/14016B41J2/04541B41J2/0458B41J2/04581B41J2/14201B41J2202/13B41J2202/17
    • A micro-fluid ejecting head for use in a micro-fluid ejecting apparatus includes a plurality of micro-fluid ejection devices, a plurality of driver devices for driving the plurality of micro-fluid ejection devices, and a nonvolatile programmable memory matrix. The memory matrix contains embedded programmable memory devices for storing information related to operation of the micro-fluid ejecting head. The memory matrix is configured to communicate with a controller which is external of the micro-fluid ejecting head. The information stored in the memory matrix may include identification information for the micro-fluid ejecting head, alignment characteristics of the micro-fluid ejecting head, information regarding properties of fluid used by the micro-fluid ejecting head, fluid level information, and fluid use information. The external controller accesses the information stored in the memory matrix and controls the plurality of driver devices based on the information accessed from the memory matrix.
    • 用于微流体喷射装置的微流体喷射头包括多个微流体喷射装置,用于驱动多个微流体喷射装置的多个驱动装置和非易失性可编程存储矩阵。 存储矩阵包括用于存储与微流体喷射头的操作相关的信息的嵌入式可编程存储器件。 存储器矩阵被配置为与微流体喷射头外部的控制器通信。 存储在存储器矩阵中的信息可以包括用于微流体喷射头的识别信息,微流体喷射头的对准特性,关于微流体喷射头使用的流体的特性的信息,液位信息和流体使用 信息。 外部控制器访问存储在存储器矩阵中的信息,并且基于从存储器矩阵访问的信息来控制多个驱动器设备。