Abstract:
MEMS 구동기가 개시된다. 본 MEMS 구동기는, 복수의 단 형태로 이루어지는 고정 돌출부를 구비한 고정 전극부, 및, 고정 전극부와의 거리가 변화되도록 변위 가능하며, 고정 전극부와의 거리에 따라 고정 돌출부와의 간격이 변하는 이동 돌출부를 구비한 이동 전극부를 포함한다. 이에 의해 낮은 구동 전압으로 구동이 가능하며, 삽입 손실 특성이 개선된다. MEMS 구동기, MEMS 스위치
Abstract:
PURPOSE: A multi stage actuation MEMS switch is provided to help a user to operate an MEMS switch in a low driving voltage by driving the MEMS switch by two stages or more than. CONSTITUTION: In a multi stage actuation MEMS switch, a first stage driving unit is formed in one side of a substrate(211). A second stage driving unit is formed in the top of a substrate. A first electrode(218) is formed in one side of the substrate and is combined with the first stage driving unit. A second electrode(222) is formed in one side of the substrate and is combined with the second stage driving unit. First and second driving electrodes(213, 214) generates constant power when receiving the driving voltage. The first and second driving electrodes are combined with one side of the substrate together with an insulator.
Abstract:
PURPOSE: A micro switch with a compact structure is provided to perform scale down and achieve mechanical stability and superior quality by being manufactured by a low temperature process. CONSTITUTION: A micro switch(100) comprises a pause uneven electrode(110), an operation uneven electrode(120), a driving shaft(130), a contact unit(140), and a connection terminal(150). The pause uneven electrode is extended to a first direction in the upper side of a substrate. The operation uneven electrode is corresponded to the pause uneven electrode and is arranged to be parallel to the uneven electrode at a certain interval. The driving shaft is connected with the operation uneven electrode and the first direction to a vertical direction. The contact unit is formed in the one end of the driving shaft. The connection terminal is placed in the traveling direction of the contact unit and the driving shaft and performs switching with the contact unit.
Abstract:
A side-bonding method of a flip-chip semiconductor device, a MEMS device package and a package method using the same, in which firm bonding and insensitivity to surface roughness may be obtained, include forming a UBM on a bonding line of a lower substrate having a semiconductor device formed thereon, plating solder on the UBM on the lower substrate, forming a trench in the upper substrate to contact the lower substrate at a location corresponding to a location of the solder and forming a second UBM in the trench, coupling the upper substrate and the lower substrate by inserting the solder into the trench, and heating the upper substrate and the lower substrate at a temperature higher than a melting point of the solder so that the solder is wetted toward sides of the trench to bond the upper substrate and the lower substrate.
Abstract:
PURPOSE: A substrate level bonding method and a substrate level package are provided to apply superior bonding force regardless of the surface shape of a substrate by adopting a dry-film resist(DFR) as an adhesive material. CONSTITUTION: A first substrate including a plurality of substrate units is prepared(S10). The substrate units are spaced apart by holes. A first DFR layer is formed on the first surface of the first substrate(S20). Substrate adhered parts of the first DFR layer which covers each substrate unit is partially hardened(S30). Parts of the first DFR layer which corresponds to the holes are removed(S40). The external surface of the substrate adhered parts are attached to a second substrate(S50).
Abstract:
An MEMS actuator, an MEMS switch and a manufacturing method of the same are provided to improve the insertion loss and to drive with the low driving voltage. An MEMS(micro electromechanical system) driver comprises: a fixed electrode part(120) in which a fixed protrusion consisting of a plurality of shift; and a movable electrode(130) capable of the displacement distance with the fixed electrode part. A movable protrusion is formed at the movable electrode. It is changed that the distance between the movable protrusion and the fixed protrusion according to the distance of the fixed electrode part. A plurality of shifts has the different area.
Abstract:
PURPOSE: A bonding method of flip-chip manner for a semiconductor apparatus in lateral bonded type, MEMS(Micro Electro Mechanical System) package using the same, and packaging method are provided to be capable of fixedly attaching the upper and lower substrate of the MEMS package regardless of the surface state of the substrates. CONSTITUTION: The first UBM(Under Bump Metallurgy) parts(400b) are formed along an adhesive line on a lower substrate(200). A solder part(500) is formed by carrying out a plating process on the UBM part. A trench is formed at an upper substrate(100) corresponding to the solder part. Then, the second UBM part is formed at the trench. The solder part of the lower substrate is inserted into the trench of the upper substrate. Then, the upper and lower substrate are attached to each other by heating the solder part to a melting point, or higher. At this time, the trench is wetted by the solder part to the lateral direction.
Abstract:
고온공정이 가능하고 품질과 신뢰성을 향상시킬 수 있는 관통전극 형성방법, 이를 이용한 멤스 구조물 및 이의 제조방법이 개시된다. 본 발명은 상기 기판에 폐곡면 형태의 관통홀을 형성하여 상기 폐곡면 내측에 상기 기판 재질의 관통전극을 생성하고, 이러한 관통홀을 절연체로 충전하여, 상기 관통전극에 의해 전기적 신호가 전달될 수 있도록 구성된다. 따라서, 본 발명에 따르면 고온공정에 의해서도 관통전극이 액화되거나 변형되지 않으며, 제품의 품질과 신뢰성을 향상시킬 수 있다. 기판, 관통홀, 관통전극, 절연체, 멤스(MEMS)
Abstract:
PURPOSE: A device protection cap which uses a photo-sensitive glass substrate and a manufacturing method thereof are provided to arrange a penetration hole by wet-etching the photo-sensitive glass substrate, thereby preventing the generation of scallop or footing phenomenon in an etched part. CONSTITUTION: A photo-sensitive glass substrate(101) protects a device while being installed in the upper part of a device substrate. A penetration hole(110) is arranged within the photo-sensitive glass substrate. A first metal wiring layer(120) is arranged in the inside of the penetration hole. A second metal wiring layer(130) is arranged in a partial area of the upper or lower surface of the photo-sensitive glass substrate. The second metal wiring layer is connected to the first metal wiring layer.