1. A method for dislodging contaminants from an integrated circuit, comprising:
directing sublimating particles against a surface of the integrated circuit;
abrading with the sublimating particles contaminants disposed on the surface of the integrated circuit to dislodge at least a portion of the contaminants; and
directing a liquid stream against the surface to remove at least a portion of the dislodged contaminants from the surface.
2. The method of claim 1, wherein the sublimating particles are mixed with high-pressure compressed air prior to being directed against the surface.
3. The method of claim 1, wherein the sublimating particles comprise frozen carbon dioxide.
4. The method of claim 1, wherein the contaminants are created during encapsulation of the integrated circuit.
5. The method of claim 4, wherein the contaminants comprise at least one of flash, resin burr, wax residue, and smear.
6. The method of claim 1, wherein the sublimating particles are directed against the integrated circuit at a pressure ranging from 300 to 500 kilograms per square centimeter.
7. The method of claim 1, wherein the sublimating particles are directed by at least one nozzle, further comprising moving the integrated circuit at a rate of between 5 and 8 meters per minute (mmin) relative to the at least one nozzle.
8. The method of claim 1, wherein the liquid stream comprises a water jet.
9. The method of claim 1, wherein each sublimating particle has a shape selected from the group consisting of a bead, rice-shaped pellet, and a snow flake.
10. The method of claim 1, wherein the sublimating particles having a coefficient of thermal expansion disparate from the contaminant.
11. A system for dislodging contaminants from an integrated circuit, comprising:
at least one integrated circuit including contaminants on at least a portion of the integrated circuit;
at least one deflashing nozzle operable to receive sublimating particles and direct the sublimating particles against at least a portion of the contaminants; and
a rinse nozzle operable to direct a liquid stream against the at least one integrated circuit for removing at least a portion of the dislodged contaminants.
12. The system of claim 11, wherein the deflashing nozzle is operable to receive a mixture of sublimating particles and a propelling fluid and direct the mixture against the integrated circuit for dislodging contaminants from the integrated circuit.
13. The system of claim 11, wherein the sublimating particles comprising frozen carbon dioxide.
14. The system of claim 11, wherein the contaminants are created during encapsulation of the integrated circuit.
15. The system of claim 14, wherein the contaminants comprise at least one of flash, resin burr, wax residue, and smear.
16. The system of claim 11, wherein the deflashing nozzle operable to direct the sublimating particles at a pressure ranging from 300 to 500 kilograms per square centimeter.
17. The system of claim 11, further comprising a conveyor operable to move the at least one integrated circuit with respect to the deflashing nozzle at a rate ranging from range 5 to 8 meters per minute.
18. The system of claim 11, wherein the liquid stream comprises a water jet.
19. The system of claim 11, wherein each sublimating particle has a shape selected from the group consisting of a bead, a rice-shaped pellet, and a snow flake.
20. A system for dislodging contaminants from an integrated circuit, comprising:
at least one integrated circuit including flash on at least a portion of the integrated circuit;
a conveyor operable to move the at least one integrated circuit with respect to at least one deflashing nozzle at a rate ranging from range 5 to 8 meters per minute (mmin);
the at least one deflashing nozzle operable receive a mixture of frozen carbon dioxide beads and high-pressure compressed air and direct the mixture against the leadframe for dislodging the flash from the integrated circuit; and
at least one rinse nozzle operable to direct a water jet against the at least one integrated circuit for removing at least a portion of the dislodged flash.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for use in a mobile communication terminal for determining current availability of a target user for real time two way communication via a specific communication channel connection type from a plurality of different communication channel connection types associated with the target user, the method comprising:
retrieving contact information of the target user from a contact information database stored in a memory of the mobile communications terminal of a requesting user:
sending a request for communication status information of the target user to a status network element, the status network element being arranged to provide the communication status information regarding the availability of the target user for communication via the specific communication channel connection type, wherein the request comprises at least a portion of the contact information of the target user and identifies the specific communication channel connection type;
receiving, as a response to the request, a response message from the status network element, wherein the response message comprises the communication status information of the target user;
accessing the contact information database and modifying the contact information database by modifying at least a portion of the stored contact information stored in the contact information database such that the modified contact information indicates the current availability of the target user for the real time two way communication via the specific communication channel connection type; and
retrieving the contact information for the target user from the contact information database and displaying the contact information for the target user, on the requesting user mobile communications terminal,
wherein displaying the contact information comprises:
displaying a plurality of numbers or addresses each providing a separate communication channel connection type for the target user, including displaying the current availability information for the target user for the specific communication channel connection type, from the plurality of numbers or addresses;
adding a visual indication of the user’s availability for communication according to the specific communication channel connection type to the user’s contact information; and
modifying an image forming part of the user’s contact information such that the modified image includes a visual indication of the user’s availability for communication according to the specific communication channel telephonic connection type;
wherein said method is performed by a contact management application in the mobile communications terminal, wherein the contact management application is independent of each of the plurality of different communication channel connection types, and wherein the contact management application is triggered to perform said method by a predetermined trigger event in the mobile communications terminal.
2. A method according to claim 1, wherein the method further comprises sending the request for status information as a response to storing new contact information into the memory of the user terminal.
3. A method according to claim 1, wherein the method further comprises sending a plurality of the requests for status information as a group.
4. A method according to claim 1, wherein the method further comprises receiving a plurality of the response messages as a group.
5. A method according to claim 1, wherein the method further comprises adding the user to a contact group.
6. A method according to claim 1, wherein the method further comprises receiving in the response message the user’s contact information corresponding to the specific communication channel connection type, wherein the network element is further arranged to provide said contact information corresponding to the specific communication channel connection type.
7. A method according to claim 5, wherein the method further comprises creating a new contact group and adding the target user to the new contact group.
8. A method according to claim 1, wherein the specific telephonic connection type comprises a Voice over IP (VoIP) channel.
9. A method according to claim 1, wherein the specific communication channel connection type comprises a GSM call channel.
10. A system for determining the current availability of a target user for real time two way communication via a specific communication channel connection type from a plurality of different communication channel connection types associated with the target user, the system comprising a user mobile communications terminal and a status network element, wherein the user mobile communications terminal itself comprises a memory storing a contact information database, a contact management application, and a processor:
wherein the contact management application is independent of each of the plurality of different communication channel connection types, and wherein when triggered by a predetermined trigger event in the mobile communications terminal, the processor runs the contact management application to perform the following functions:
retrieval of contact information of the target user from the contact information database;
sending a request for communication status information of the target user to the status network element, the status network element being arranged to provide the communication status information regarding the availability of the target user for communication via the specific communication channel connection type, wherein the request comprises at least a portion of the contact information of the target user and identifies the specific communication channel connection type;
receiving, as a response to the request, a response message from the status network element, wherein the response message comprises the communication status information of the target user; and
accessing the contact information database and modifying the contact information database by modifying at least a portion of the stored contact information stored in the contact information database such that the modified contact information indicates the current availability of the target user for real time two way communication via the specific communication channel telephonic connection type; and
retrieving the contact information for the target user from the contact information database and displaying the contact information for the target user, on the requesting user mobile communications terminal,
wherein displaying the contact information comprises displaying a plurality of numbers or addresses each providing a separate communication channel connection type for the target user, including displaying the current availability information for the target user for the specific communication channel connection type;
adding a visual indication of the user’s availability for communication according to the specific communication channel connection type to the user’s contact information; and
modifying an image forming part of the user’s contact information such that the modified image includes a visual indication of the user’s availability for communication according to the specific communication channel telephonic connection type.
11. A system according to claim 10, wherein the status network element is adapted to retrieve the status information from a database.
12. A system according to claim 10, wherein the status network element further is adapted to request the status information from another network element.
13. A system according to claim 12, wherein the status network element further generates a request message in a format supported by the other network element.