Becker Kurig & Partner

A die stacked structure (99, 99A, 99B, 99C, 99D, 99E, 99F) includes a first die (100A, 100B, 100C, 100D, 100E, 100F), a second die (200A, 200B, 200C, 200D, 200E, 200F), a first connector (160a) and a second connector (160b). The first die (100A, 100B, 100C, 100D, 100E, 100F) includes a first interconnect structure (150) and a first capacitor (C1). The second die (200A, 200B, 200C, 200D, 200E, 200F) is bonded to the first die (100A, 100B, 100C, 100D, 100E, 100F). The second die (200A, 200B, 200C, 200D, 200E, 200F) includes a second interconnect structure (250) and a second capacitor (C2). The first connector (160a) and the second connector (160b) are connected to the first die (100A, 100B, 100C, 100D, 100E, 100F). The first capacitor (C1) is connected to the second capacitor (C2) through the first interconnect structure (150), bonding structures (260a, 260b) and the second interconnect structure (250).

A trimmable capacitor structure and its trimming method are provided. The trimmable capacitor structure (10/10A) includes plural unit capacitors. At least one of the unit capacitors is a trimmable unit capacitor (100), including a first electrode plate (102) and a second electrode plate (104); a dielectric layer (106) provided between the first electrode plate (102) and the second electrode plate (104); a first metal line (110), provided to surround the first electrode plate (102); and a plurality of first trimming members (120), provided in a manner to electrically connect the first electrode plate (102) and the first metal line (110). The first metal line (110) is coupled to a first voltage (V1) and the second electrode plate (104) is coupled to a second voltage (V2).

A fluid heating device (1, 1a) according to an embodiment includes: a housing (11) having a space inside through which a fluid (100, 100a) flows; and at least one heater (12, 13, 14, 15) provided inside the housing and presenting a plate shape. The heater extends from a first inner wall (11c) side of the housing toward a second inner wall (11d) side facing the first inner wall, and a space is provided between the heater and the second inner wall.

In an electronic drum (1), a power saving transition level (Lb) when transitioning to a power saving mode is stored, a level when returning to a normal mode is calculated according to an estimated envelope (SE) based on the power saving transition level (Lb) and a power saving duration from the power saving mode to returning to the normal mode, and a strike processing is performed based on the calculated level when returning to the normal mode. Thus, even immediately after returning from the power saving mode to the normal mode, a level of a strike envelope (HE) can be calculated using the level when returning to the normal mode calculated from the estimated envelope (SE), and the strike processing can be appropriately performed by using the calculated level of the strike envelope (HE).

A positive electrode sheet, methods for designing and evaluating performance of the same, an electrode assembly, and a secondary battery belonging to the technical field of power batteries are provided. The positive electrode sheet includes a positive current collector and a positive active material layer on at least one side of the positive current collector. The positive active material layer satisfies the following relational expression: 0.97(FD+D<v50>2 *LT*µ<1/2>/20)≤PD≤FD+D<v50>2 *LT*µ<1/2>/20. A new feasible solution for designing a positive electrode sheet is provided. The rationality of positive electrode sheet design and material utilization are improved, a reliable supporting solution for material selection is provided, resources required for electrode sheet verification is saved, and development efficiency is enhanced. The solution is suitable for application in actual processing and design of a secondary battery.

A secondary battery (500) and an electronic device (400) are provided. The secondary battery (500) includes a housing (600), an electrode assembly (700), and a current-collecting plate (902). The housing (600) includes an end wall configured with an explosion-proof valve (904). The electrode assembly (700) is accommodated within the housing (600), with a tab (716) extending from an end of the electrode assembly (700) facing the explosion-proof valve (904). The current-collecting plate (902) is welded to the tab (716) and includes a first opening (102) passing through the center thereof and multiple second openings (104). The first opening (102) extends in a radial direction of the current-collecting plate (902). The second openings (104) are distributed on both sides of the first opening (102). A portion between end portions of the second openings (104) close to the first opening (102) and the first opening (102) constitutes a tearable portion (108).

Provided are a negative electrode material and a preparation method thereof and a lithium ion battery, specifically relating to the technical field of lithium ion batteries. The Young's modulus E of the negative electrode material has a value of: 8GPa≤E≤17Gpa, the negative electrode material includes natural graphite and a coating layer coated on the surface of the natural graphite. The negative electrode material of the disclosure has a relatively high Young's modulus, may better maintain the microscopic crystal structure when lithium ions deintercalate, undergoes smaller irreversible deformation, and has better cycle performance.

A sample analyzer (1) comprises: a measurement unit (2) measuring an analyte related to a dementia biomarker contained in a sample collected from a subject, and comprising: a sample dispenser, a first reagent dispenser, a second reagent dispenser, and a detector; a controller (101) comprising a processor and programmed to obtain a measurement value of the analyte based on the light detected by the detector; a storage (102) storing a reference value that specifies an outlier that may be caused by a factor other than dementia; and an output unit (103). The controller is programmed to execute a determination on whether the measurement value is specified as the outlier based on the measurement value and the reference value, generate an analysis result of the dementia biomarker based on the measurement value and a result of the determination, and output the analysis result of the dementia biomarker via the output unit.

Provided is an energy storage device (100, 200, 300, 400). The energy storage device (100, 200, 300, 400) includes a power bus (110), a first battery module (120_1), a second battery module (120_2), a first charging and discharging circuit (130_1), a second charging and discharging circuit (130_2), and a control circuit (140). The first charging and discharging circuit (130_1) receives power located on the power bus (110) and a first battery state of the first battery module (120_1) to provide a first sensing signal (SS1). The second charging and discharging circuit (130_2) receives the power located on the power bus (110) and a second battery state of the second battery module (120_2) to provide a second sensing signal (SS2). The control circuit (140) controls the first charging and discharging circuit (130_1) and the second charging and discharging circuit (130_2).

A secondary battery (100) and a battery pack (1002) are provided. The secondary battery (100) includes: an outer shell including a housing (110) and a cover plate (140) covering an opening (113) formed at an end of housing (110); an electrode assembly (130) accommodated in the outer shell and including a first electrode sheet, a separator (132), and a second electrode sheet, the first electrode sheet has a first electrode tab (300) facing the cover plate (140); a current collector plate (150) disposed between the cover plate (140) and the electrode assembly (130), and including a main body (152) welded to the first electrode tab (300) and a weld block (154) welded to the cover plate (140), a thermal conductivity coefficient of the weld block (154) is W1, a thermal conductivity coefficient of the main body (152) is W2, and W2 is greater than W1.