Ceramic Packages suit direct PCB mount applications.
October 21, 2005 -
Plated Copper on Thick Film technology permits manufacture of leadless ceramic chip carriers and packages larger than .75 in. Wrap-around interconnections eliminate use of leads and additional interface boards, and ensure connections can operate at frequencies above 32 GHz. Plugged via holes with resistance less than 1 mΩ provide for RF losses below .1 dB at 4 GHz. Depending on die size and package thickness, thermal resistance of 1-2°C/W and lower can be achieved.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Remtec's Large Size Leadless SMT Ceramic Packages for Direct PCB Mount Provide Reliable, Low Cost Interconnects in a Broad Frequency Range
Norwood, MA. September 15, 2005. Remtec's proprietary Plated Copper on Thick Film (PCTF®) technology permits the design and manufacture of leadless ceramic chip carriers and packages larger than .75 inch on a side. These packages, with unique wrap-around interconnections, plugged via holes, hermetic-filled vias and integrated passives, provide improved electrical and thermal performance at lower cost for high circuit/ power density applications.
PCTF technology with its ductile structure of plated copper over thick film on ceramic, results in minimizing solder joint stresses during assembly of ceramic packages to PC boards. Therefore, Remtec's leadless ceramic SMT packages with wraparounds for a direct PCB mount can be .75 X .75" in size or larger.
Wrap-around interconnections also eliminate use of leads and additional interface boards thus further reducing cost. In addition, they ensure low inductance package connections and can operate at frequency range above 32 GHz. These robust and reliable connections are ideal for SMT soldering and allow simple visual inspection and high assembly yields.
Plugged hermetic via holes with low resistance (less than 1 milliohm) provide for low RF losses below .1dB at 4 GHz and are excellent for ground and signal connections. Also, high thermal conductivity of vias (greater than 200 W/M x °C) results in low thermal resistance path providing excellent thermal management. Depending on a die size and ceramic package thickness, thermal resistance of 1-2 °C/W and lower can be achieved.
Plugged hermetic vias assure package integrity and reliability. They also allow the creation of fully hermetic Integral Substrate Packages (ISP) which is surface mountable.
Integrated resistors, capacitors and inductors can be often incorporated into SMT packages to reduce size and increase integration level.
In addition, Remtec packages are compatible with all standard interconnect assembly techniques including soldering, high temperature die attach, welding and wire bonding. Low tooling and fast turnaround time permit microcircuit designers to bring custom SMT packages into production quicker and with lower engineering costs.
Remtec, a RoHS compliant company, provides ceramic leadless SMT packages for LNA's, power amplifiers, switches, transceivers, mixers, tuners, splitters, filters, resistors, attenuators and terminations as well as for other components in a broad frequency range.
Contacts:
General Information:
Nahum Rapoport
USA
Phone: 781-762-9191
FAX: 781-762-9777 E-mail this person Company Information: Name: Remtec, Inc. Address: 100 Morse Street City: Norwood State: MA ZIP: 02062 Country: USA Phone: 781-762-9191 FAX: 781-762-9777 http://www.remtec.com
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