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公开(公告)号：US20180294796A1
公开(公告)日：2018-10-11
申请号：US15800987
申请日：2017-11-01
发明人： Yoon Sok PARK , June Kyoo LEE , Won Kyu JEUNG
CPC分类号： H03H9/6489 , H03H9/0095 , H03H9/02086 , H03H9/0514 , H03H9/173 , H03H9/542 , H03H9/584 , H03H9/587 , H03H9/60 , H03H9/605 , H03H9/703
摘要： A filter includes: series resonators connected to each other in series; shunt resonators connected to first nodes between some of the series resonators; and a variable capacitor connected to a second node between some of the series resonators, and forming a pole configured to suppress harmonics.
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公开(公告)号：US20230179172A1
公开(公告)日：2023-06-08
申请号：US17730428
申请日：2022-04-27
发明人： Dong Hoe KIM , Yoon Sok PARK
摘要： An acoustic resonator filter includes: a series member including a plurality of series acoustic resonators electrically connected between a first radio frequency (RF) port and a second radio frequency port; and a shunt member including one or more shunt acoustic resonators electrically connected between the series member and a ground, wherein the plurality of series acoustic resonators are disposed to be anti-parallel to each other, and at least a portion of the first RF port includes a first connection via and a second connection via extending in a direction different from a direction in which the first connection via and the second connection via face the plurality of series acoustic resonators.
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公开(公告)号：US20140078225A1
公开(公告)日：2014-03-20
申请号：US13742862
申请日：2013-01-16
发明人： Yoon Sok PARK , Pil Joong Kang , Hwa Sun Lee , Seung Joo Shin
IPC分类号： B41J2/17
CPC分类号： B41J2/17 , B41J2/14233 , B41J2/175 , B41J2002/14306 , B41J2002/14338 , B41J2202/12
摘要： There is provided an inkjet print head, including: a first pressure chamber connected to a common channel; a second pressure chamber connected to the common channel and disposed in parallel with the first pressure chamber; a connection channel connecting the first pressure chamber and the second pressure chamber; and a nozzle formed in the first pressure chamber or the second pressure chamber.
摘要翻译： 提供一种喷墨打印头，包括：连接到公共通道的第一压力室; 连接到公共通道并与第一压力室平行设置的第二压力室; 连接第一压力室和第二压力室的连接通道; 以及形成在第一压力室或第二压力室中的喷嘴。
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公开(公告)号：US20180309427A1
公开(公告)日：2018-10-25
申请号：US15797224
申请日：2017-10-30
发明人： Tae Yoon KIM , Moon Chul LEE , Yoon Sok PARK
CPC分类号： H03H9/1014 , H03H3/02 , H03H9/02047 , H03H9/02157 , H03H9/173
摘要： A bulk acoustic wave resonator includes: support members disposed between air cavities; a resonant part including a first electrode, a piezoelectric layer, and a second electrode sequentially disposed above the air cavities and on the support members; and a wiring electrode connected either one or both of the first electrode and the second electrode, and disposed above one of the air cavities, wherein a width of an upper surface of the support members is greater than a width of a lower surface of the support members, and side surfaces of the support members connecting the upper surface and the lower surface to each other are inclined.
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公开(公告)号：US20180123557A1
公开(公告)日：2018-05-03
申请号：US15704162
申请日：2017-09-14
发明人： Jung Woo SUNG , Yoon Sok PARK , Won Kyu JEUNG
IPC分类号： H03H9/54 , H03H9/10 , H03H9/05 , B81C1/00 , H01L21/768
摘要： A filter includes a multilayer structure comprising films and forming bulk acoustic wave resonators, a cap accommodating the bulk acoustic wave resonators and bonded to the multilayer structure, a bonding agent disposed in a bonded area between the multilayer structure and the cap and comprising a bonding layer, and a shielding layer disposed on an inner surface of the cap and comprising a same material as at least a portion of the bonding layer.
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公开(公告)号：US20130286107A1
公开(公告)日：2013-10-31
申请号：US13766409
申请日：2013-02-13
发明人： Pil Joong KANG , Yoon Sok PARK
IPC分类号： B41J2/045
CPC分类号： B41J2/04525 , B41J2/055 , B41J2/14233 , B41J2002/14403 , B41J2002/14419
摘要： There is provided an inkjet print head including: a nozzle substrate having a nozzle and a pressure chamber formed therein; and a vibrating substrate coupled to the nozzle substrate and transferring pressure from a piezoelectric actuator to the pressure chamber, wherein the vibrating substrate has a plurality of pores absorbing a pressure wave generated in a process of discharging ink.
摘要翻译： 提供了一种喷墨打印头，包括：喷嘴基板，其具有形成在其中的喷嘴和压力室; 以及耦合到所述喷嘴基板并将压力从压电致动器传递到所述压力室的振动基板，其中所述振动基板具有吸收在排墨过程中产生的压力波的多个孔。
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公开(公告)号：US20200336131A1
公开(公告)日：2020-10-22
申请号：US16525758
申请日：2019-07-30
发明人： Yoon Sok PARK , Dong Hoe KIM , Tah Joon PARK , Won Kyu JEUNG , Nam Jung LEE
摘要： An acoustic resonator includes: an upper electrode including a first active region disposed on an upper portion of a piezoelectric layer, and a first extended region extended from the first active region; a lower electrode including a second active region disposed on a lower portion of the piezoelectric layer, and a second extended region extended from the second active region; a first metal layer including a first resistance reduction region disposed on the first extended region; and a second metal layer including a second resistance reduction region disposed on the second extended region. The first metal layer includes a first conductive link region extended from the first resistance reduction region. The second metal layer includes a second conductive link region extended from the second resistance reduction region. The first and second conductive link regions correspond to respective portions of a side boundary of the first and second active regions.
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公开(公告)号：US20200076407A1
公开(公告)日：2020-03-05
申请号：US16294048
申请日：2019-03-06
发明人： Yoon Sok PARK , Hyun Jun KIM , Sung Tae KIM , Won Kyu JEUNG
摘要： A filter includes: a series part disposed between a signal input terminal and a signal output terminal, and including at least one first bulk-acoustic resonator; an inductor portion including a first inductor disposed between ends of the series part and a second inductor having a first end connected to a connection node of the series part and the first inductor; and a shunt part disposed between a second end of the second inductor and a ground, and including at least one second bulk-acoustic resonator, wherein a resonant frequency of the at least one second bulk-acoustic resonator is higher than a resonant frequency of the at least one first bulk-acoustic resonator.
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公开(公告)号：US20200028488A1
公开(公告)日：2020-01-23
申请号：US16281959
申请日：2019-02-21
发明人： Hyun Jun KIM , Yoon Sok PARK , Sung Tae KIM
摘要： A filter comprises a series unit comprising a plurality of series resonators, a shunt unit comprising a plurality of shunt resonators, connected between the plurality of series resonators and a ground, and a correction unit comprising an inductor unit connected between both ends of at least one of a set of series resonators of the plurality of series resonators and a set of shunt resonators of the plurality of shunt resonators, and an impedance unit connected between the inductor unit and a ground.
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公开(公告)号：US20140078224A1
公开(公告)日：2014-03-20
申请号：US13741852
申请日：2013-01-15
发明人： Yoon Sok PARK , Seung Joo Shin , Byung Hun Kim , Hwa Sun Lee
IPC分类号： B41J2/045
CPC分类号： B41J2/045 , B41J2/14233 , B41J2002/14338 , B41J2002/14403 , B41J2202/12
摘要： There is provided an inkjet print head, including: a first pressure chamber connected to a first common channel; a second pressure chamber connected to a second common channel; a connection channel connecting the first pressure chamber to the second pressure chamber; and a nozzle formed in the first pressure chamber or the second pressure chamber.
摘要翻译： 提供一种喷墨打印头，包括：连接到第一公共通道的第一压力室; 连接到第二公共通道的第二压力室; 将第一压力室连接到第二压力室的连接通道; 以及形成在第一压力室或第二压力室中的喷嘴。
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