摘要:
A method of fabricating a suspended structure. First, a substrate including a photoresist layer hardened by heat is provided. Subsequently, the hardened photoresist layer is etched so as to turn the photoresist layer into a predetermined edge profile. Thereafter, a structure layer is formed on parts of the substrate and parts of the photoresist layer. Next, a dry etching process is performed so as to remove the photoresist layer, and to turn the structure layer into a suspended structure.
摘要:
A method of forming a suspended structure is disclosed. Initially, a substrate is provided. A patterned first sacrificial layer and a patterned second sacrificial layer are formed on a front surface of the substrate. The second sacrificial layer has an opening exposing a part of the substrate and a part of the first sacrificial layer. A structural layer is formed covering the abovementioned sacrificial layers. Thereafter, a lift-off process is performed to remove the second sacrificial layer and define the pattern of the structural layer. A first etching process is performed on a back surface of the substrate utilizing the first sacrificial layer as an etching barrier and a through hole is formed under the first sacrificial layer. A second etching layer is performed to remove the first sacrificial layer and a suspended structure is thereby formed.
摘要:
A method of performing a double-sided process is provided. First, a wafer having a structural pattern disposed on the front surface is provided. Following that, a plurality of front scribe lines are defined on the structural pattern, and a filling layer is filled into the front scribe lines. Subsequently, the structural pattern is bonded to a carrier wafer with a bonding layer, and a plurality of back scribe lines are defined on the back surface of the wafer. Finally, the filling layer filled in the front scribe lines is removed.
摘要:
A method of fabricating a suspended structure. First, a substrate including a photoresist layer hardened by heat is provided. Subsequently, the hardened photoresist layer is etched so as to turn the photoresist layer into a predetermined edge profile. Thereafter, a structure layer is formed on parts of the substrate and parts of the photoresist layer. Next, a dry etching process is performed so as to remove the photoresist layer, and to turn the structure layer into a suspended structure.
摘要:
A method of fabricating a pressure sensor. An SOI wafer having a single crystalline silicon layer, an insulating layer and a silicon substrate is provided. The single crystalline silicon layer has a pressure sensing device. The silicon substrate and the insulating layer corresponding to the pressure sensing device are removed to form a cavity. A bonding substrate is adhered to the silicon substrate with a bonding layer.
摘要:
First, a device wafer having a substrate layer and a device layer is provided. Then, a first mask pattern is utilized to remove the device layer uncovered by the first mask pattern. Subsequently, a medium layer is formed on the surface of the device wafer, and the medium layer is then bonded to a carrier wafer. Thereafter, a second mask pattern is utilized to remove the substrate layer uncovered by the second mask pattern. Finally, the medium layer is separated from the carrier wafer, the substrate layer is bonded to an extendable film, and the medium layer is then removed.
摘要:
A wafer carrier for carrying a wafer includes a transparent base and a conducting layer. The transparent base has dimensions similar to that of the wafer, and bonds the wafer with a bonding layer. The conducting layer is transparent, and can be attracted by an electrostatic chuck so that the electrostatic chuck can deliver the wafer.
摘要:
The present invention provides a Wafer Level Chip Scale Packaging structure including a die, at least one passive component, a combining layer, an isolating layer, at least one connecting wire, an internal pad and a passivation layer. The die includes a shallow connecting pad, an internal pad and an electrical component. The passive component is formed on one side of the die. The combining layer increases the binding force between the passive component and the die. The part surface on the other side of the die is overlaid with the isolation layer. The part surface of the isolation layer and the internal pad is overlaid with the connecting wire to electrically connect to the internal pad, and the passivation layer is used for protecting the die.
摘要:
A method of performing a double-sided process is provided. First, a wafer having a structural pattern disposed on the front surface is provided. Following that, a plurality of front scribe lines are defined on the structural pattern, and a filling layer is filled into the front scribe lines. Subsequently, the structural pattern is bonded to a carrier wafer with a bonding layer, and a plurality of back scribe lines are defined on the back surface of the wafer. Finally, the filling layer filled in the front scribe lines is removed.
摘要:
A wafer is provided and a front scribe line pattern is defined on a front surface of the wafer. A back scribe line pattern corresponding to the front scribe line pattern is defined on a back surface of the wafer. Then the wafer is attached to an extendable film and a wafer breaking process is performed to form a plurality of dies by virtue by extending the extendable film.