摘要:
Disclosed herein is there is provided an apparatus for transmitting and receiving wireless energy using meta-material structures having a negative refractive index. The apparatus includes a wireless energy transmission unit and a wireless energy reception unit. The wireless energy transmission unit generates wireless energy to be wirelessly transmitted, and then wirelessly transmits wireless energy, which is normally propagated radially, using a magnetic resonance method while concentrating the wireless energy at a single point. The wireless energy reception unit wirelessly receives the wireless energy using the magnetic resonance method while concentrating the wireless energy at a single point.
摘要:
Disclosed herein is a wireless energy transmission structure, which includes a printed circuit board, a disk section, and a wire section. The printed circuit board is formed in a ring type, the disk section is constituted by a first conductive plate and a second conductive plate formed on portions of the printed circuit board corresponding to each other to be spaced by a predetermined gap and a dielectric material inserted between the first conductive plate and the second conductive plate, and the wire section is constituted by a plurality of meta cells having a meta material structure, which are repetitively formed to surround the exterior and interior of the printed circuit board and a transmission line connected to each of the first conductive plate and the second conductive plate and surround the plurality of meta cells.
摘要:
Disclosed is a wireless energy transmission structure which includes a disc part including a first conductor plate and a second conductor plate which are spaced to face each other and a dielectric material inserted between the first conductor plate and the second conductor plate, and generating an electric field between the first conductor plate and the second conductor plate; and a ring-shaped wire part one end of which is connected to the first conductor plate and the other end of which is connected to the second conductor plate, and having a meta structure in which a plurality of meta cells is repetitively arranged so as to induce a magnetic field using the electric field, so that the wireless energy transmission structure is reduced in size and is improved in transmission distance and transmission efficiency.
摘要:
The preset invention proposes an infant bed having a sudden death prevention function, comprising: a bed body having a grating structure capable of ventilation; a mattress body comprising an air layer having excellent air permeability; and a bed body support stand having an air layer formed beneath the bed body such that air can flow through the bottom thereof, wherein air can still flow even when an infant who has been sleeping with the back down in a supine position turns the body into a prone position with the nose down, thereby fundamentally preventing sudden infant death due to suffocation.
摘要:
An adhesive film, an adhesive composition, and a semiconductor device wherein, in the adhesive film, a difference between a storage modulus (A) of the adhesive film after 4 cycles and a storage modulus (B) of the adhesive film after 1 cycle is about 3×106 dyne/cm2 or less, the storage modulus (A) of the adhesive film after 4 cycles is about 7×106 dyne/cm2 or less, and the storage modulus (B) of the adhesive film after 1 cycle is about 2×106 dyne/cm2 or more, when curing at 125° C. for 1 hour and then at 150° C. for 10 minutes is defined as 1 cycle.
摘要翻译:粘合剂膜,粘合剂组合物和半导体器件,其中在粘合剂膜中,4个循环之后的粘合剂膜的储能模量(A)与1个循环后的粘合剂膜的储能模量(B)之间的差为 约3×10 6达因/ cm 2以下,4次循环后的粘合膜的储能模量(A)约为7×10 6达因/ cm 2以下,1次循环后的粘合膜的储能模量(B)约为 2×10 6达因/ cm 2以上,当在125℃下固化1小时,然后在150℃下固化10分钟时,定义为1个循环。
摘要:
An adhesive film has a die-shear strength of 4 kgf or more/5 mm×5 mm chip, upon chip bonding at 120° C. for 5 seconds, and a storage modulus of 2×106 dyne/cm2 or more at 150° C. after curing at 150° C. for 20 minutes.
摘要翻译:粘合膜的芯片剪切强度为4kgf以上/ 5mm×5mm的芯片,在120℃下芯片接合5秒,在150℃下的储能模量为2×106达因/ cm 2以上 C.在150℃下固化20分钟。
摘要:
An adhesive film for a semiconductor may include about 60 wt % to about 80 wt % of a thermoplastic resin based on a total solid content of the adhesive film, a phenolic curing agent, and an amine curing agent, and the adhesive film may have a storage modulus of about 2 MPa or more and a reaction curing rate of about 50% or more when cured at 150° C. for 20 minutes.
摘要:
A heat dissipation adhesive film, a semiconductor device including the same, and a method of fabricating the semiconductor device, the heat dissipation adhesive film being placeable between a protective layer encasing a semiconductor element therein and a heat dissipation metal layer on the protective layer to bond the protective layer to the heat dissipation metal layer, wherein an adhesive strength between the heat dissipation adhesive film and the protective layer and an adhesive strength between the heat dissipation adhesive film and the heat dissipation metal layer are each about 3 kgf/25 mm2 or greater.
摘要:
An adhesive film includes an amine curing agent and a phenolic curing agent, and has a ratio of a storage modulus at 170° C. after 80% or more curing to a storage modulus at 40° C. before curing in the range of about 1.5 to about 3.0.
摘要:
A dicing die-bonding film and a method of forming a groove in a dicing die-bonding film, the film including a base film; a pressure-sensitive adhesive layer stacked on the base film; and a bonding layer stacked on the pressure-sensitive adhesive layer, wherein the pressure-sensitive adhesive layer includes a first region overlapping with the bonding layer, and a second region not overlapping with the bonding layer, the second region including a third region adjacent to the first region, and a fourth region adjacent to the third region and having a groove formed therein.