摘要:
In a method of dicing a wafer, which comprises a plurality of individual circuit structures, a trench is first defined between at least two circuit structures on one face of the wafer. Subsequently, the trench is deepened down to a defined depth. Following this, one face of the wafer has fixed thereto a re-detachable intermediate support composed of a fixed intermediate support substrate and an adhesive medium which is applied to said intermediate support substrate and which can specifically be modified in terms of its adhesive strength, whereupon the wafer is dry-etched from the opposite face so that circuit chips are obtained which are connected to one another only via the intermediate support. Subsequently, the circuit chips are removed from the intermediate support. This method substantially reduces mechanical impairments that may occur during dicing of the circuit chips; on the one hand, this permits the production of circuit chips with a thickness of less than 50 &mgr;m and, on the other hand, it leads to mechanically substantially undamaged circuit chips.
摘要:
The present invention provides a mobile holder for a wafer, which comprises a base element, a first fixing means and a second fixing means. The first fixing means is configured to allow a wafer to be fixed to the base element. The second fixing means is configured to fix the mobile holder to a support for said mobile holder.
摘要:
In a method of connecting a first and a second silicon wafer, the first silicon wafer is first provided with a polyimide layer on a main surface thereof. Subsequently, a plasma-induced reaction between the polyimide layer and water is performed. A plasma-induced reaction is also performed between a main surface of the second silicon wafer and chlorine. The main surface of the second silicon wafer is then subjected to a treatment with hydrolyzed triethoxysilylpropanamine. Following this, the surfaces of the two silicon wafers, which have been subjected to the plasma-induced reactions, are joined together so as connect the silicon wafers permanently.
摘要:
The present invention provides a method for producing integrated circuits which are mechanically flexible and can be provided contiguously on a common flexible carrier substrate. The method includes a step of continuously providing a first flexible substrate which has conductor-line patterns, and a step of mounting the integrated circuits on the first flexible substrate and connecting the integrated circuits to the conductor-line patterns of the first flexible substrate, and a step of covering the circuits mounted on the first flexible substrate with a second flexible substrate, recesses being provided in the first or second flexible substrates in order to make the conductor-line patterns of the first flexible substrate accessible. The step of covering has the sub-step of continuously providing a flexible film with recesses and laminating same onto the flexible integrated circuits mounted on the first flexible substrate, or a sub-step of applying, by a printing technique, a cover on the flexible integrated circuits mounted on the first flexible substrate.
摘要:
In a method for vertically integrating active circuit planes, a first substrate having at least one integrated circuit in a first main surface thereof and further having connecting areas for the integrated circuit as well as outer connecting areas on the first main surface is provided in a first step. A second substrate having at least one integrated circuit in a first main surface thereof and further having connecting areas for the integrated circuit as well as open or openable areas on the first main surface is provided. The first main surfaces of the first and second substrates are joined in such a way that the connecting areas of the first substrate are connected to those of the second substrate in an electrically conductive manner in such a way that the outer connecting areas of the first substrate are in alignment with the open or openable areas of the second substrate. Subsequently, the second substrate is thinned and the outer connecting areas are exposed through the open or openable areas. The resultant chips can be further processed making use of standard methods.
摘要:
Method for handling a substrate with polarizable molecules including providing a carrier with a first junction electrode and disposing the substrate between the first junction electrode and a second junction electrode. Fixing the substrate on the carrier is achieved by applying a voltage between the first junction electrode and the second junction electrode, so that the polarizable molecules are polarized. After removing the second junction electrode, the substrate remains fixed on the carrier.
摘要:
Method for handling a substrate with polarizable molecules including providing a carrier with a first junction electrode and disposing the substrate between the first junction electrode and a second junction electrode. Fixing the substrate on the carrier is achieved by applying a voltage between the first junction electrode and the second junction electrode, so that the polarizable molecules are polarized. After removing the second junction electrode, the substrate remains fixed on the carrier.
摘要:
In a method for handling in parallel a plurality of circuit chips, which are arranged in a first arrangement, which corresponds to their arrangement in the original wafer, on the surface of an auxiliary carrier, the plurality of circuit chips is picked up by a plurality of pick up devices. The plurality of pick up devices with the picked up circuit chips is moved simultaneously to one or several carriers, in such a way that, simultaneously with the motion, the first arrangement of the circuit chips is changed into a second arrangement, which is different from the first arrangement. Then the circuit chips are simultaneously placed in the second arrangement on the one or several carriers.
摘要:
A method of producing a chip package includes providing a substrate comprising a first recess having a recess bottom and recess side walls. A chip comprising a chip backside is introduced into the recess such that the chip does not protrude from the recess and such that a gap remains between the recess side walls and the chip, the chip backside being attached to the recess bottom. The gap is filled with a filler material.
摘要:
The present invention relates to a method for the selective coating of a surface of a substrate with liquid, wherein the surface to be selectively coated with liquid comprises regions exhibiting different surface energies, and wherein prior to wetting a fluorine-containing plasma gas is directly acting on the regions exhibiting different surface energies.