baber/WOPTO huggingface dataset:
Patent JP-2021506322-A (JP)
Title: 流体ポート
IPC: C12M1/00
Filed: 2018-12-14
Abstract: 本発明は、フレキシブルバッグ、灌流フィルタ、および流体ポートに関する。該流体ポートは、- 第1の流体接続部(3; 3')と、- 該第1の流体接続部(3; 3')と流体連通している第2の流体接続部(5; 5')と、- 第1の流体接続部(3; 3')を該第2の流体接続部(5; 5')と接続する中間流路(7; 7')であって、前記中間流路(7; 7')の少なくとも一部分が、実質的に直角の曲げ(9; 9')を含む、中間流路(7; 7')と、- 中間流路(7; 7')の少なくとも該曲げ(9; 9')を、他の物体との接触から保護する保護キャップ(11; 11')と、- 前記ポートにより供給される物体のフィルムに当接して封止するために構成されている接続面(13; 13')であって、前記接続面は、物体のフィルムに当接して封止されると、該フィルムと共に、第1の流体接続部(3; 3')を取り囲む流体密封シールをもたらす、接続面(13; 13')と、を含む。
Patent JP-2021514582-A (JP)
Title: ランダムアクセスプロシージャ
IPC: H04W74/08
Filed: 2019-02-11
Abstract: 本明細書で説明される実施形態は、無線通信ネットワークにアクセスするためのランダムアクセスプロシージャを実施するための方法および装置を提供する。無線デバイスにおける方法は、キャリアのアップリンク（ＵＬ）帯域幅部分（ＢＷＰ）中の第１のランダムアクセスリソースを使用して基地局に第１のランダムアクセスプリアンブルを送信したことに応答して、関連付けに基づいてキャリアの第１のダウンリンク（ＤＬ）ＢＷＰを選択することであって、関連付けが、物理ランダムアクセス設定に関係するパラメータの異なる値におよび／またはキャリアの異なるＵＬ ＢＷＰにキャリアの複数のＤＬ ＢＷＰをマッピングする、キャリアの第１のダウンリンク（ＤＬ）ＢＷＰを選択することと、基地局からランダムアクセス応答を受信するために第１のＤＬ ＢＷＰを監視することとを含む。【選択図】図１５
Patent JP-2021521455-A (JP)
Title: シリコンベースの時計用バネの製作方法
IPC: G04B15/14
Filed: 2018-12-18
Abstract: 本発明による時計用バネを製作する方法は、シリコンに基づいて、時計用バネの所望の形状を有する要素を製作するステップと、要素を熱酸化するステップと、要素を脱酸するステップと、要素を還元性雰囲気内でアニーリングするステップと、要素上に酸化シリコン層を形成するステップとを含む。【選択図】 図１
Patent JP-2021526676-A (JP)
Title: 代表ノード機器の選出方法並びにその、装置、コンピュータ機器及びコンピュータプログラム
IPC: G06F21/60
Filed: 2019-09-02
Abstract: ブロックチェーンシステムにおける少なくとも１つのノード機器のネットワークプロトコルアドレス情報を受信するステップであって、前記ノード機器は第１ノード機器を含み、前記第１ノード機器は代表ノード機器の候補となるノード機器である、ステップと、第１ノード機器のネットワークプロトコルアドレス取得要求を受信するステップであって、前記ネットワークプロトコルアドレス取得要求は第１ノード機器のネットワークプロトコルアドレス情報を要求するためのものである、ステップと、第１ノード機器が今回の選出過程において選出された代表ノード機器であると決定される場合、ネットワークプロトコルアドレスリストを第１ノード機器に送信するステップであって、前記ネットワークプロトコルアドレスリストは今回の選出過程において選出された代表ノード機器のネットワークプロトコルアドレス情報を含む、ステップと、第１ノード機器が今回の選出過程において選出された代表ノード機器ではないと決定される場合、ネットワークプロトコルアドレス取得要求に応答しないステップと、を含む代表ノード機器の選出方法。【選択図】図２
Patent JP-2021526179-A (JP)
Title: 匂い物質第二級アルコール及びそれらの組成物
IPC: C07C31/125
Filed: 2019-05-23
Abstract: 本発明は２，３−ジメチルブテンから誘導される匂いを持つアルコール（匂い物質）の新たなクラスに関する。これらは、香料又は調味料材料として、特に、複雑なプロファイルを有する自然な松の匂いのような嗅覚的なノートを芳香、アロマ、又は防臭／マスキング組成物に提供する上で有用である。
Patent JP-2021526218-A (JP)
Title: 流れの不安定性を検出する渦流量計
IPC: G01F1/32
Filed: 2019-04-19
Abstract: プロセス流体（１４）の流量を測定するための渦流量計（１０）であって、前記プロセス流体（１４）の流れの中に渦（１５）を発生させるために配置された渦発生器（２４）と、前記プロセス流体（１４）の前記流れの中の前記渦（１５）を検知し、それに応答して、前記プロセス流体（１４）の前記流量（Ｑ）に関連するセンサ出力（３０）を提供するために配置された渦センサ（１１）と、前記センサ出力（３０）を受信し、デジタル出力を提供するように構成された測定回路（６０）と、前記デジタル出力に基づいて測定値を記憶するように構成されたメモリ（８１）と、前記メモリ（８１）に記憶された前記測定値に基づいて前記プロセス流体（１４）の前記流れの不安定性を検出するために配置された、前記メモリ（８１）に結合された診断回路（７０）とを備える渦流量計（１０）。
Patent JP-2021529653-A (JP)
Title: 再利用単離ループおよびパージ／再生ループを備えた回転床収着システム
IPC: B01D53/06
Filed: 2019-07-01
Abstract: 回転収着床システムは、再生可能な収着材料の回転する収着剤塊であって、運転サイクルにおいて、所定の体積が、第１ゾーンに戻る前に、第１、第２、第３、第４、および第５ゾーンを連続的に通過する収着剤塊；第１ゾーンを通るように向けられるプロセス流体流；第３ゾーンを通るように向けられる再生流体流；およびプロセス流体流と再生流体流とは関係なく、第２および第４ゾーンを通るように閉ループで再循環する単離流体流を含む。この再生流体流は、第３ゾーンを通過する前に、第５ゾーンを通過する。
Patent JP-2021532844-A (JP)
Title: 光学組織評価およびレーザ焼灼を併合したカテーテル
IPC: A61B1/00
Filed: 2019-06-18
Abstract: 本明細書に説明されるのは、処理デバイスと、曝露放射線のビームを試料に伝送し、散乱放射線の１つまたは複数のビームを受信し、試料の一部が焼灼されるようにレーザ焼灼エネルギーを伝送するように構成される複数の光学ポートを有する近位および遠位部分を有するカテーテルと、を含むカテーテルシステムにより、併合された光学組織評価およびレーザ焼灼を実施するためのデバイスおよび方法である。処理デバイスは、曝露放射線のソースビームを生成するように構成される第１の光源、およびレーザ焼灼エネルギーを生成するように構成される第２の光源を含む。カテーテルシステムは、曝露放射線のビームを複数の光学ポートに向け、散乱放射線の１つまたは複数のビームを結合し、レーザ焼灼エネルギーを複数の光学ポートのうちの少なくとも１つの光学ポートに向ける１つまたは複数のマルチプレクサをさらに含む。
Patent JP-2021527819-A (JP)
Title: 鉄道車両の車輪とレールとの間の接触点における粘着係数を予想する方法、鉄道車両の車輪とレールとの間の接触点における粘着係数を改善する方法、およびこれらの方法を実施する装置
IPC: B60L3/00
Filed: 2019-06-18
Abstract: レール上の水分は、レールと鉄道車両の車輪との間の粘着係数の低下に結び付き、このことは、状況によっては安全上のリスクまたは運行フローにおける遅延に結び付くことがある。この粘着係数を元のように上昇させるために、従来技術では、例えば、牽引車両運転者により、または危険状況においては自動的にレールに砂撒きが行われる。本発明によって提供されるのは、自己学習アルゴリズムにおいて、鉄道車両の既存のシステムによってすでに検出されている気温および気圧のような種々異なるパラメータを使用することにより、車輪とレールとの間の粘着係数を予想する方法である。さらに、この粘着係数を改善する方法および上記の２つの方法を実行する装置が開示される。
Patent JP-2021529404-A (JP)
Title: 識別を容易にするための方法および装置
IPC: G06T7/00
Filed: 2019-05-10
Abstract: 本発明は、特に、画像が比較的低解像度のものである場合、また、画像がモバイルカメラのような移動するイメージングデバイスによって取得された場合に、識別を容易にするための方法および装置に関する。人物の画像から人物を識別するためには、通常、そこから顔認識データを取得でき取得する比較的高解像度の画像を取得する必要がある。そして、当該顔認識データは、同等の登録処理によって取得された多数の人物の顔認識データのデータベースと照合され得る。しかし、比較的低い解像度の画像では、信頼できる照合を取得することが難しい。ここで説明されるシステムおよび方法は、識別される人物についての多数の画像と、その画像から取得された連結データと、を取得し、識別の精度を高める。このシステムは、比較的低い解像度の画像やモバイルカメラであっても人物を識別することができる。
Patent JP-2022109076-A (JP)
Title: tire
Inventor: NAKAMICHI TEPPEI
IPC: B60C11/03
Filed: 2021-01-14
Abstract: To provide a tire that is able to improve noise performance during acceleration traveling.SOLUTION: A tire 1 has a tread portion 2. The tread portion 2A has plurality of circumferential grooves 3 extending in a tire circumferential direction and a plurality of land portions 4 separated by the circumferential grooves 3. At least one of the land portions 4 is provided with a plurality of lateral sipes 5 extending in a tire axial direction. All the lateral sipes 5 terminate in the land portions 4 without communicating with the circumferential grooves 3 at their ends adjacent to the circumferential groove 3.SELECTED DRAWING: Figure 1
Patent JP-2022109794-A (JP)
Title: Process liquid supply device and process liquid discharge method
Inventor: NAKAMURA TOMOKI
IPC: F04B43/02
Filed: 2021-01-15
Abstract: To improve the washability of a process liquid supply pump.SOLUTION: A process liquid supply device for supplying a process liquid on a substrate from a process liquid discharge nozzle includes: a process liquid pump for sucking and discharging a process liquid, the process liquid pump being provided in a flow channel that connects between a process liquid tank for storing the process liquid and the process liquid discharge nozzle; a primary side on-off valve provided on a primary side of the process liquid pump in the flow channel; and a secondary side on-off valve provided on a secondary side of the process liquid pump. The process liquid pump is disposed such that a primary side suction part sucking a process liquid is positioned lower than a secondary side discharge part discharging a process liquid. There is provided a process liquid discharge flow channel for discharging a process liquid in the process liquid pump, between the process liquid pump in the flow channel and the primary side on-off valve, and there is provided a discharge path on-off valve in the process liquid discharge flow channel, the process liquid discharge flow channel being located below the suction part of the process liquid pump.SELECTED DRAWING: Figure 1
Patent JP-2022112148-A (JP)
Title: Vehicular luggage room structure
Inventor: TAKESHITA NAOTOSHI
IPC: B60R5/04
Filed: 2021-01-21
Abstract: To provide a vehicular luggage room structure which enables easy change of the article storage form without needing complicated attachment/detachment of a component even if articles having different sizes are stored in a storage recessed part.SOLUTION: A luggage room includes a storage recessed part for storing articles. A rear upper part of the storage recessed part is formed by a rear panel block 12. A front wall 14, which faces the inner side of the storage recessed part, of the rear panel block 12 is provided with: at least two slits 19; and a swing part 20 which is sandwiched by the two slits 19 and may swing in a vehicle fore and aft direction.SELECTED DRAWING: Figure 2
Patent JP-2022112160-A (JP)
Title: Anti-fouling working wear for air-conditioning wear
Inventor: KINUGAWA Mamoru
IPC: A41D13/002
Filed: 2021-01-21
Abstract: To protect an air-conditioning wear from dirt while effect of the air-conditioning wear is maximized.SOLUTION: An anti-fouling working wear 10 for air-conditioning wear is worn on an air conditioning wear 30 for performing air conditioning by circulating air taken in from outside by rotation of a blowing part 34, and the anti-fouling working wear 10 for air-conditioning wear has a coverall part 13 in which an upper garment part 12 and a lower garment part 14 are integrated. The coverall part 13 has an opening 16 for putting in and out air, and the opening 16 has an opening adjustment mechanism capable of changing a size of the opening so that an amount of air is adjusted.SELECTED DRAWING: Figure 1
Patent JP-2022113499-A (JP)
Title: Self-discharge inspection method for electricity storage device and method for manufacturing electricity storage device
Inventor: Tanaka Ruri
IPC: H01M10/04
Filed: 2021-01-25
Abstract: To provide a self-discharge inspection method for an electricity storage device capable of shortening a self-discharge inspection time for the electricity storage device, and a method for manufacturing the electricity storage device.SOLUTION: In a self-discharge inspection method for an electricity storage device 1 that inspects self-discharge of the electricity storage device 1, the electricity storage device has the characteristic where a device voltage drops when the device temperature rises or falls, and the self-discharge inspection method includes a step S6 of measuring a first device voltage VB1 when a precharged electricity storage device is at a first device temperature TB1, a step S7 of continuously applying a power supply voltage VS equal to the first device voltage VB1 from an external power supply EP to the electricity storage device, a step S10 of changing the electricity storage device from the first device temperature toward a second device temperature TB2 in parallel with the step S7, a step S8 of detecting a power supply current IB flowing from the external power supply EP to the electricity storage device 1, and a step S11 of determining a self-discharge state of the electricity storage device on the basis of the detected power supply current.SELECTED DRAWING: Figure 2
Patent JP-2022115528-A (JP)
Title: X-ray high voltage device and x-ray imaging apparatus
Inventor: KAJIUCHI YUKI
IPC: H05G1/20
Filed: 2021-01-28
Abstract: To reduce switching loss.SOLUTION: An X-ray high voltage device according to an embodiment has an inverter, a voltage generating circuit, and a control circuit. The inverter has a resonance circuit including a switching element and a resonance capacitor. The voltage generating circuit generates input DC voltage to the inverter. The control circuit controls the input DC voltage so that a voltage value of the input DC voltage falls below a multiplication value of a current value of an inverter current of the inverter and a circuit constant of the resonance circuit.SELECTED DRAWING: Figure 2
Patent JP-2022117025-A (JP)
Title: Method for personal identification, program, and information system
Inventor: NAKAMURA KOICHIRO
IPC: G06T7/00
Filed: 2021-01-29
Abstract: To effectively prevent an illegal access by a simple procedure of a user while ensuring a high security by using a video taken of the user.SOLUTION: A method for personal identification includes: a user imaging step S302 for taking a video of the face of a user; a personal identification step S303 for determining whether the face of the user taken as the video is the same as the face of the person in a registered facial image, which is a registered facial image of the user registered in advance; and a real-time determination step S304 for determining whether the user taken in the video is doing a predetermined action.SELECTED DRAWING: Figure 2
Patent JP-2021093534-A (JP)
Title: Imaging element, laminated type imaging element, imaging apparatus, and electronic apparatus
Inventor: UJIIE YASUHARU
IPC: C07D487/12
Filed: 2021-02-03
Abstract: To provide an imaging element capable of improving image quality and reliability.SOLUTION: There is provided the imaging element in which at least a first electrode, a first buffer layer, a photoelectric conversion layer including at least a p-type semiconductor, and a second electrode are laminated in this order and the first buffer layer includes an indolocarbazole derivative.SELECTED DRAWING: Figure 1
Patent JP-2022122123-A (JP)
Title: temperature compensation circuit
Inventor: KIDO MASAYUKI
IPC: H03F3/21
Filed: 2021-02-09
Abstract: To provide a temperature compensation circuit having a simple structure and a small circuit scale.SOLUTION: A non-linear voltage generation part 3 of a temperature compensation circuit in a disclosure, includes: a diode 17; a threshold value circuit 31 that sets a voltage value Vs of a voltage value in which the diode 17 is ON in a voltage value corresponded to a specific temperature (+25°C) of a temperature correspondence voltage V2; and an amplifier circuit 32 in which the diode 17 is connected, and generates an output voltage V3 having a linear voltage and a non-linear voltage by inputting the temperature correspondence voltage V2. In the case where a temperature corresponded to the temperature correspondence voltage V2 is less than the specific temperature (+25°C), the diode 17 is in an OFF state, and the amplifier circuit 32 generates the linear voltage having a specific voltage inclination. In the case where the temperature corresponded to the temperature correspondence voltage V2 is the specific temperature (+25°C) or larger, the diode 17 is in an ON state, the amplifier circuit 32 generates the non-linear voltage having a voltage inclination different from the linear voltage.SELECTED DRAWING: Figure 6
Patent JP-2021151446-A (JP)
Title: Game machine
Inventor: NOZAKI TAKU
IPC: A63F7/02
Filed: 2021-02-09
Abstract: To provide a game machine capable of enhancing interest.SOLUTION: A game machine includes: a first start pocket 5120 through which a game medium shot by leftward shooting can pass; and a second start pocket 2140 through which a game medium shot by rightward shooting can pass. A game can be executed in one of a plurality of game modes different in degree of advantage to a player. An expectation value in which a result more advantageous to a player can be obtained when a first special pattern game is executed than when a second special pattern game is executed is high. The plurality of game modes include a normal game mode in which variable display of a first special pattern can be mainly performed by performing a game by leftward shooting, and an advantageous game mode in which a second special pattern game can be mainly performed by performing a game by rightward shooting. The normal game mode includes a normal mode, and a high-probability mode A more advantageous to a player than the normal mode.SELECTED DRAWING: Figure 232
Patent JP-2021127952-A (JP)
Title: Anti-torpedo defense system
Inventor: FUKUNAGA MIKIO
IPC: F42B22/10
Filed: 2021-02-11
Abstract: To provide an underwater mine to defend a ship against a torpedo.SOLUTION: The invention provides an underwater mine with a net that clings to a torpedo and explodes. The underwater mine is attached and fixed to the net, and the net is opened underwater.SELECTED DRAWING: Figure 1
Patent JP-2022123385-A (JP)
Title: Damper
Inventor: MOCHIZUKI TAKAHISA
IPC: F16F9/348
Filed: 2021-02-12
Abstract: To provide a damper capable of increasing damping force when it is expanded/contracted at low speed, and facilitating setting of damping force characteristics.SOLUTION: A damper D of the present invention includes a cylinder 1, a rod 2 movably inserted in the cylinder 1, and a disk-like piston (partitioning member) 3 inserted in the cylinder 1 and partitioning an inside of the cylinder 1 into an extension side chamber R1 and a pressure side chamber R2 as two operation chambers. The piston (partitioning member) 3 includes a first member 31 which is annular and has an extension side port (port) 31b and a pressure side port (port) 31c communicating the extension side chamber R1 with the pressure side chamber R2, and a second member 32 which is annular and is fitted to an inner periphery or an outer periphery of the first member 31. The first member 31 has a groove 31f formed on the outer periphery which is the opposing periphery facing the second member 32 along a circumferential direction and communicating the extension side chamber R1 with the pressure side chamber R2, and a choke passage T1 is formed by the groove 31f by fitting of the first member 31 and the second member 32.SELECTED DRAWING: Figure 3
Patent JP-2022123603-A (JP)
Title: Lighting device
Inventor: SASAKI MASARU
IPC: F21V23/00
Filed: 2021-02-12
Abstract: To provide a lighting device capable of reducing its size.SOLUTION: A lighting device has a fixture body 20. The fixture body 20 has an opening part 22, a first side surface part 24a provided on one side of the opening part 22, and a second side surface part 24b provided on the other side of the opening part 22 and facing the first side surface part 24a. A power supply unit 16 is arranged on the first side surface part 24a. At least one of first terminal blocks 14a, 14b and a battery 18 is arranged on the second side surface part 24b.SELECTED DRAWING: Figure 3
Patent JP-2022128236-A (JP)
Title: camera device
Inventor: WAKAYAMA TOMIHIRO
IPC: G02B7/04
Filed: 2021-02-22
Abstract: To provide a camera device with which it is possible to realize two photographing states by a simple and compact structure.SOLUTION: A lens barrel 10 of a camera device 1 includes a rear barrel unit 31 capable of moving forward to a barrel part 22 and a front barrel unit 32 capable of moving from a first position accommodated in the radially inside of the rear barrel unit 31 to a second position stretched forward from the rear barrel unit 31. The front barrel unit 32 has a protrusion 41 that projects to the radially outside. The lens barrel 10 includes a switching spring 60 bridged between a spring axis part 55 formed in the rear barrel unit 31 and the protrusion 41 of the front barrel unit 32. The switching spring 60 is constituted so that the direction of urging changes depending on the position of the protrusion 41 of the front barrel unit 32. The spring axis part 55 of the rear barrel unit 31 has a spring engagement part 56 that extends toward the radially outside and which an arm part 61 of the switching spring 60 engages with, and an overhang part 57 that extends from the tip of the spring engagement part 56 in a direction X that is perpendicular to a direction in which the spring engagement part 56 extends.SELECTED DRAWING: Figure 8
Patent JP-2022131510-A (JP)
Title: Hinged cap
Inventor: SAITO HIROMICHI
IPC: B65D43/02
Filed: 2021-02-26
Abstract: To provide a hinged cap allowed to avoid an upper lid from opening due to contact with another object.SOLUTION: A hinged cap comprises: a cap body 2 that, in a state of being formed attachably to a mouth 102 of a container body 100, includes an outer peripheral wall 14 vertically extending from a top wall 4 covering an upper face of the mouth and a spout 6 made open in the top wall 4; and an upper lid 30 that is provided with a top plate 32 at an upper end of a lid peripheral wall 34 coupled to the cap body 2 through a hinge 29. The hinged cap further comprises a lock mechanism L including an elastic locking plate 16 that is formed by a part of the outer peripheral wall 14 and a for-locked protrusion 40 downwardly extending from the lid peripheral wall 34. The elastic locking plate 16 is formed to be pushed inward, and the upper lid 30 is locked by locking an engaging portion 20 provided in an upper half 16b of the elastic locking plate 16 to the for-locked protrusion 40 from inside. In the locking state, an outer surface portion 17 of a lower half 16a of the elastic locking plate 16 is located in a position nearly flush with an outer surface 43 of the for-locked protrusion 40 or in a position outside the outer surface 43.SELECTED DRAWING: Figure 1
Patent JP-2022133606-A (JP)
Title: Image forming apparatus, control program, and control method
Inventor: TERAMOTO TAKEHIRO
IPC: G03G21/00
Filed: 2021-03-02
Abstract: To provide an image forming apparatus that can appropriately perform transfer of a toner image to a sheet.SOLUTION: An image forming apparatus 10 comprises: a transfer power supply 76 that supplies transfer current to a secondary transfer roller 70; a peeling electrode 72 that is provided on the downstream side in a sheet conveyance direction of the secondary transfer roller; a peeling power supply 80 that applies peeling voltage to the peeling electrode; and an electrode current detection unit 82 that detects electrode current flowing in the peeling electrode. A CPU (100) being a transfer power supply control unit corrects, during continuous printing, the value of transfer current applied to a subsequent sheet based on the value of electrode current detected during transfer to a preceding sheet.SELECTED DRAWING: Figure 2
Patent JP-2022133832-A (JP)
Title: Periphery monitoring device for work vehicle, and work vehicle
Inventor: HINAMI ATSUSHI
IPC: G08G1/16
Filed: 2021-03-02
Abstract: To provide a periphery monitoring device capable of issuing a further appropriate warning.SOLUTION: In a periphery monitoring device 100 for a work vehicle, human detection means 110 detects a human being present around the work vehicle, danger level determination means 120 calculates a future prediction trajectory of the work vehicle and determines a danger level S3 on the basis of a relation between the future prediction trajectory of the work vehicle and the detected human and waning means issues a warning in a mode corresponding to the danger level S3.SELECTED DRAWING: Figure 2
Patent JP-2022133851-A (JP)
Title: platform door system
Inventor: UESUGI TOMOHIRO
IPC: B61L23/00
Filed: 2021-03-02
Abstract: To provide an easily constructed device for determining that all platform door devices installed on a platform are in a closed state or in an open state.SOLUTION: A fourth relay connector 12b of a first cable 12 whose third relay connector 12a is connected to an input and output connector 20a of an integrated control device 20, is connected to a first relay connector 11a of a first platform door device 10. In a case where n is 2 or more, a fourth relay connector 12b of a k+1-th cable 12 whose third relay connector 12a is connected to a second relay connector 11b of a k-th platform door device 10 (k is an integer from 1 to n-1), is connected to a first relay connector 11a of a k+1-th platform door device 10. A terminal circuit 13 is connected to a second relay connector 11b of an n-th platform door device 10. In the platform door device 10, a switch circuit 30 which closes when the door 10b is in a closed state is inserted in the first signal line 11c.SELECTED DRAWING: Figure 2
Patent JP-2021137804-A (JP)
Title: Method for treating metal salt-containing medium from partial stream of circuit board and/or substrate production
Inventor: JOLANTA KLOCEK
IPC: C02F1/00
Filed: 2021-03-03
Abstract: To provide a method for treating a metal salt-containing solvent from a circuit board and/or a substrate production, particularly a method for effectively removing iron and sulfuric acid.SOLUTION: A method for treating a metal salt-containing solvent from a circuit board and/or a substrate production, comprising: i) a step (100, 200) in which at least two partial streams (1, 2, 3) are provided, each containing metal salt-containing solvents from different processes of circuit board and/or substrate manufacturing (150, 250, 300), ii) a step (405) in which at least two partial streams (1, 2, 3) are combined with a full stream (4) containing a metal salt-containing solvent, and iii) a step (400) in which the full stream (4) is treated, wherein an ion exchanger is used to remove irons and membrane dialysis is used to remove sulfuric acid.SELECTED DRAWING: Figure 1