摘要:
Provided are a substrate structure and method of forming the same. The method of forming the substrate structure may include etching a substrate to form an etched portion having a vertical surface, forming a diffusion material layer on the whole substrate or in part of the substrate; annealing the diffusion material layer to form a seed layer diffused downward toward the surface of the etched portion, and forming a metal layer on the seed layer. Accordingly, surface characteristics of the etched portion of the substrate may be enhanced by the seed layer, and therefore, a metal layer with improved adhesion and a uniform thickness may be formed on the vertical surface of the etched portion.
摘要:
Provided are a substrate structure and method of forming the same. The method of forming the substrate structure may include etching a substrate to form an etched portion having a vertical surface, forming a diffusion material layer on the whole substrate or in part of the substrate; annealing the diffusion material layer to form a seed layer diffused downward toward the surface of the etched portion, and forming a metal layer on the seed layer. Accordingly, surface characteristics of the etched portion of the substrate may be enhanced by the seed layer, and therefore, a metal layer with improved adhesion and a uniform thickness may be formed on the vertical surface of the etched portion.
摘要:
A method of multi-stage substrate etching and a terahertz oscillator manufactured by using the method are provided. The method comprises the steps of forming a first mask pattern on any one surface of a first substrate, forming a hole by etching the first substrate using the first mask pattern as an etching mask, bonding, to the first substrate, a second substrate having the same thickness as a depth to be etched, forming a second mask pattern on the second substrate bonded, forming a hole by etching the second substrate using the second mask pattern as an etching mask, and removing an oxide layer having the etching selectivity between the first substrate and the second substrate.
摘要:
A method of multi-stage substrate etching, includes forming a first mask pattern on one surface of a first substrate; forming a hole by etching the first substrate using the first mask pattern as an etching mask; forming a second mask pattern on one surface of a second substrate; forming a hole by etching the second substrate to a predetermined depth using the second mask pattern as an etching mask; bonding the first and second substrates together such that an etched surface of the first substrate faces an etched surface of the second substrate; forming a third mask pattern on the second substrate; and forming a hole passing through the second substrate by etching the second substrate using the third mask pattern as an etching mask, whereby it is prevented the occurrence of a radius of curvature in the bottom surface and the overhang structure occurring on a step surface.
摘要:
A method of multi-stage substrate etching is provided. The method comprises the steps of: forming a first mask pattern on one surface of a first substrate; forming a hole by etching the first substrate using the first mask pattern as an etching mask; forming a second mask pattern on one surface of a second substrate; forming a hole by etching the second substrate to a predetermined depth using the second mask pattern as an etching mask; bonding the first and second substrates together such that an etched surface of the first substrate faces an etched surface of the second substrate; forming a third mask pattern on the second substrate; and forming a hole passing through the second substrate by etching the second substrate using the third mask pattern as an etching mask, whereby it is prevented the occurrence of a radius of curvature in the bottom surface and the overhang structure occurring on a step surface, so that etching quality is improved, a precise bonding between the substrates is obtained using the alignment key positioned on each substrate, and a multi-layer process is carried out.
摘要:
A method of multi-stage substrate etching and a terahertz oscillator manufactured by using the method are provided. The method comprises the steps of forming a first mask pattern on any one surface of a first substrate, forming a hole by etching the first substrate using the first mask pattern as an etching mask, bonding, to the first substrate, a second substrate having the same thickness as a depth to be etched, forming a second mask pattern on the second substrate bonded, forming a hole by etching the second substrate using the second mask pattern as an etching mask, and removing an oxide layer having the etching selectivity between the first substrate and the second substrate, whereby the etched bottom is made uniformly even in a deep step, the edge curvature is minimized, and a T-shape is prevented from being formed on the etched wall face to thereby improve the etching quality. Further, the etching depth is previously controlled by lapping or polishing, the upper and lower substrates are precisely boned to each other using the alignment key, and a multi-layer processing is possibly performed thereto, so that the precision and the uniformity in structure of the oscillator or amplifier is obtained.
摘要:
A method of multi-stage substrate etching is provided. The method comprises the steps of: forming a first mask pattern on one surface of a first substrate; forming a hole by etching the first substrate using the first mask pattern as an etching mask; forming a second mask pattern on one surface of a second substrate; forming a hole by etching the second substrate to a predetermined depth using the second mask pattern as an etching mask; bonding the first and second substrates together such that an etched surface of the first substrate faces an etched surface of the second substrate; forming a third mask pattern on the second substrate; and forming a hole passing through the second substrate by etching the second substrate using the third mask pattern as an etching mask, whereby it is prevented the occurrence of a radius of curvature in the bottom surface and the overhang structure occurring on a step surface, so that etching quality is improved, a precise bonding between the substrates is obtained using the alignment key positioned on each substrate, and a multi-layer process is carried out.
摘要:
A dryer is provided. The dryer may include a main body having an inner space formed therein, a fixed drum provided in the inner space of the main body, and a tumbling device coupled to the drum. The fixed drum may have a non-circular cross-section as it is rotated. The tumbling device may tumble laundry items received in the fixed drum as it slides along an inner circumferential surface of the fixed drum.
摘要:
A dryer is provided. The dryer (1) includes a cabinet (10), a drum (11), a rear supporter (30), and a dry duct (42). The cabinet (10) defines an external appearance. The drum (21) is rotatably provided in the cabinet an housing articles to be dried. The rear supporter (30) supports a rear end of the drum (21). The dry duct (42) supplies dry air. Here, the dry duct (42) is connected to a circumference of the rear supporter (30) to supply the dry air into the drum through the circumference of the rear supporter.
摘要:
A laundry treating machine is disclosed. The present invention relates to a laundry treating machine capable of minimizing the number of parts required to discharge the generated condensate as possible and of simplifying the drainage path. A laundry treating machine includes a cabinet in which an accomodating space receiving laundry therein is formed, a moisture supply device supplying moisture to the accomodating space, a water supply part connected with the moisture supply device to supply water, a water discharge part discharging water condensed from the moisture supplied by the moisture supply device or water remaining in the moisture supply device, a circulation duct to draw-in air of the accomodating space and discharging the air into the accomodating space, and a heat exchanging part provided in the circulation duct, the heat exchanger in which circulated air is dehumidified or heated.