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公开(公告)号：US10365226B2
公开(公告)日：2019-07-30
申请号：US15546936
申请日：2015-04-30
IPC分类号： G01N15/14 , G01N21/27 , G01N21/64 , G01N21/85 , G01V8/12 , B41J2/125 , B41J2/175 , B41J2/195
摘要： Provided in one example is an apparatus, including a substrate supporting a microfluidic channel, a bubble jet inertial pump supported by the substrate adjacent the microfluidic channel to pump fluid through the microfluidic channel and an optical sensor on a first side of the microfluidic channel. A light emitter on a second side of the microfluidic channel is to pass light across the microfluidic channel to the optical sensor.
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公开(公告)号：US10336090B2
公开(公告)日：2019-07-02
申请号：US15921614
申请日：2018-03-14
摘要： A fluid ejection device may include a discharge port, an energy generating element to discharge liquid through the discharge port, a first liquid supply on a first side of the discharge port, a second liquid supply on a second side of the discharge port opposite the first side, a first liquid flow path extending from the first liquid supply to the discharge port, a second liquid flow path extending from the second liquid supply to the discharge port and a fluid displacement actuator in the first liquid flow path.
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公开(公告)号：US10272691B2
公开(公告)日：2019-04-30
申请号：US15205900
申请日：2016-07-08
摘要： A network of microfluidic channels may include at least three loops interconnected at a junction. Each of the loops may include a fluid channel having a length extending from the junction to a second end; and a fluid actuator along the fluid channel and located at a first distance from junction along the length of the fluid channel and at a second distance less than the first distance from the second end. Activation of the fluid actuator of selected ones of the at least three loops may selectively produce net fluid flow in different directions about the loops. In one implementation, a fluid channel having a fluid actuator may have a bridging portion that extends over another fluid channel.
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公开(公告)号：US20190111699A1
公开(公告)日：2019-04-18
申请号：US16217140
申请日：2018-12-12
CPC分类号： B41J2/18 , B41J2/1404 , B41J2/14056 , B41J2/175 , B41J2002/14467 , B41J2202/12
摘要： A fluid ejection device may include a series of spaced two-sided walls forming three channels therebetween. Each of the three channels may contain a drop ejector. The device may further include a fluid circulating element to circulate fluid across the drop ejector within each of the channels.
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公开(公告)号：US20190111698A1
公开(公告)日：2019-04-18
申请号：US16217008
申请日：2018-12-11
CPC分类号： B41J2/18 , B01L3/502715 , B01L3/50273 , B01L3/502746 , B01L2300/0816 , B01L2300/088 , B01L2300/123 , B01L2400/0481 , B01L2400/082 , B41J2/1404 , B41J2/14201 , B41J2/1753 , B41J2002/14467 , B41J2202/12 , F04B19/006 , F04B19/20 , F04B19/24
摘要： A fluid ejection device may include a first channel having a first end and a second end, a first drop ejector along the first channel, a second channel having a first end and a second end, a second drop ejector along the second channel, a third channel extending between and connecting the first end of the first channel and the first end of the second channel, a fourth channel extending between and connecting the second end of the first channel and the second end of the second channel and a fifth channel extending between and connecting the third channel and the fourth channel.
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公开(公告)号：US10240978B2
公开(公告)日：2019-03-26
申请号：US15546917
申请日：2015-04-30
摘要： Provided in one example is an apparatus, including a microfluidic channel supported by a substrate. An optical spectrometer includes a waveguide supported by the substrate. The waveguide includes a coupler and outcouplers. A light source directs light to the coupler of the waveguide. Optical sensors are supported by the substrate. Each of the optical sensors is optically coupled to one of the outcouplers.
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公开(公告)号：US10207516B2
公开(公告)日：2019-02-19
申请号：US15546808
申请日：2015-04-30
摘要： A fluid ejection device includes a fluid slot, a first fluid ejection chamber communicated with the fluid slot and including a first drop ejecting element, a second fluid ejection chamber including a second drop ejecting element, and a fluid circulation path including a first portion communicated with the fluid slot and the second fluid ejection chamber, and a second portion communicated with the first fluid ejection chamber and the second fluid ejection chamber, with the fluid circulation path including a fluid circulating element within the first portion.
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公开(公告)号：US20190048309A1
公开(公告)日：2019-02-14
申请号：US16079482
申请日：2016-04-22
摘要： In an example implementation, a method of cell lysis includes moving cell fluid from a first reservoir through a microfluidic channel toward a second reservoir, activating a lysing element multiple times as a cell from the cell fluid passes through the microfluidic channel, and moving lysate fluid that results from the activating through the microfluidic channel and into the second reservoir.
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公开(公告)号：US10197188B2
公开(公告)日：2019-02-05
申请号：US15503664
申请日：2014-08-15
摘要： In an example implementation, a method of controlling a microfluidic valve includes activating a first inertial pump at a first frequency, and a second inertial pump at a second frequency to create a first fluid flow pattern within a microfluidic valve. The method also includes adjusting at least one of the first frequency and the second frequency to change the first fluid flow pattern to a second fluid flow pattern.
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公开(公告)号：US20180272340A1
公开(公告)日：2018-09-27
申请号：US15763402
申请日：2015-09-25
IPC分类号： B01L3/00
CPC分类号： B01L3/50273 , B01L3/502707 , B01L2300/0816 , B01L2300/0861 , B01L2400/043 , B01L2400/0436 , B01L2400/0439 , B01L2400/0442 , B01L2400/0481 , B01L2400/06
摘要： Example fluidic channels for microfluidic devices are disclosed. In examples disclosed herein, an example microfluidic device includes a body having a microfluidic network. The microfluidic network includes a main fluid channel to transport a biological fluid from a first cavity of the microfluidic network to a second cavity of the microfluidic network. An auxiliary fluid channel is in fluid communication with to the main fluid channel. The auxiliary fluid channel has a first end and a second end. The first end is in fluid communication with the main fluid channel and the second end is spaced from the main fluid channel. A fluid actuator is positioned in the auxiliary fluid channel to induce fluid flow in the main fluid channel.
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