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Flexible circuit board and flexible heater specialist All Flex recently addressed that their customer base for Medical Diagnostic, DNA Testing, P.O.C. instruments and Cancer Diagnostics have been consistently needing to accommodate faster test results while also making their instruments and the corresponding thermal systems smaller. This resulted in the need for higher wattage heaters other than the traditional Kapton, polyimide, or silicone rubber heaters commonly available on the market. All Flex has come up with a successful solution for this particular problem: etched foil heaters.
One of the greatest demands on a etched foil flexible heater is with rapid warm-up and high wattages. All Flex has tested our high watt heaters up to 115 watts per square inch, which is 50% higher watt density compared to the next highest available. These tests result showed that etched foiled heaters stood up against the demands of Molecular Diagnostic/DNA testing, where fast warm-up and rapid cool down is required, with no degradation after 100,000 thermal cycles.
Study: High Wattage Polyimide Heater for Molecular/DNA and P.O.C. Instruments
- 120 watts per square inch at 100 degrees Celsius
- 18 watts per square centimeter at 100 degrees Celsius Voltage range 5V to 240V
- Max temperature: 500F/260C
- Available with RTD’s, Thermistors, and Thermocouples
- Can be supplied with lead wires, ZIF termination or SMT connectors RoHS compliant
- Meets UL94 V-0 Flammability
- Maximum size: 22” by 22” / 560mm by 560mm
- Profiling for uniform thermal system performance
Test Results After 100,00 Cycles
- 1KV Dielectric – PASS
- Voiding or Delamination – NONE
- Resistance Change – NONE
- Conductor Cracking or Damage – NONE
For more specific information on this study or to learn more about their services, please contact All Flex at www.allflexinc.com or www.allflexheaters.com.
Andy Shaughnessy, Design007 Magazine
We recently held a roundtable with a team of printed electronic circuit experts from companies that run the gamut: John Lee and Kevin Miller of Insulectro, Mike Wagner of Butler Technologies, Tom Bianchi of Eastprint, and John Voultos of Sheldahl Flexible Technologies. In this first part of the roundtable, the participants dispel 10 common myths that have been floating around regarding printed electronic circuits (PEC). They also discuss the progress that’s been made in PEC development in just the past decade, and what the future may hold for this technology.
Cody Stetzel, Cadence Design Systems
I have the tendency to try to replicate the delicacies I’ve ordered at restaurants in my own kitchen. One of my latest attempts at creating restaurant-worthy dishes was a Korean pancake that’s crispy on the outside but soft on the inside. With my amateur cooking skills, it proved to be an impossible task—I could either make only a hard pancake or one that was total fluff. While I’m still struggling to figure out the trick to bringing together the different textures of a Korean pancake, I’ve had more success in bringing together the hardboard elements and flexible PCB elements of a rigid-flex PCB. Compared to making Korean pancakes, striking the right balance of flexibility and rigidity on a rigid-flex PCB is easy if you abide by rigid-flex PCB design guidelines.
Nolan Johnson, I-Connect007
Key presentations from companies like Boeing highlight FLEX Conference and Exhibition 2022, held in concert with the annual SEMICON West show this week in San Francisco’s Moscone Center. SEMICON West claims to be “North America’s premier microelectronics exhibition and conference,” uniting players across the entire electronics manufacturing and design supply chain.