Indirect contact probing method for characterizing via arrays in electronic packaging

At beet sugar production, vapors from first and second carbonatation contain a significant amount of odor components, NH3 and waste heat, which are normally directly released into the environment. Due to sustainability motivations, obligations regarding odor nuisance and expected stricter regulations regarding NH3 emission limits, Suiker Unie decided to take measures to reduce emission via the carbonatation vapors. During the 2015 beet campaign, pilot scale plant trials have been performed to investigate the effectiveness of indirect contact and direct contact condensation of these vapors. Based on this experimental work a two-stage gas scrubbing concept was designed: in the first stage main goal is condensing the vapors and reuse the heat of condensation to heat up limed juice, while the actual scrubbing takes place in the second scrubber. This two-stage gas scrubbing installation has been built at the Vierverlaten factory and was started up in the 2016 beet campaign. The background, pilot scale trials, concept of design and achieved reductions in odor and NH3 emission at industrial scale are discussed.

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In-situ characterization of moisture absorption and hygroscopic swelling of an epoxy molding compound for electronic packaging

Journal of Thermal Analysis and Calorimetry ◽

10.1007/s10973-021-10941-w ◽

2021 ◽

Author(s):

Yi He ◽

Mohammad Kabiri

Keyword(s):

Electronic Packaging ◽

Moisture Absorption ◽

In Situ Characterization ◽

Epoxy Molding Compound ◽

Molding Compound ◽

Hygroscopic Swelling

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A novel box for aerosol and droplet guarding and evacuation in respiratory infection (BADGER) for COVID-19 and future outbreaks

Scientific Reports ◽

10.1038/s41598-021-82675-6 ◽

2021 ◽

Vol 11 (1) ◽

Author(s):

Hau D. Le ◽

Gordon A. Novak ◽

Kevin C. Janek ◽

Jesse Wang ◽

Khang N. Huynh ◽

...

Keyword(s):

Respiratory Infection ◽

Healthcare Providers ◽

Airborne Particles ◽

Risk Of Infection ◽

Indirect Contact ◽

Vacuum Suction ◽

Qualitative And Quantitative ◽

Additional Layer ◽

Increased Risk ◽

Design Construction

AbstractThe coronavirus disease 2019 (COVID-19) pandemic caused by the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has infected millions and killed more than 1.7 million people worldwide as of December 2020. Healthcare providers are at increased risk of infection when caring for patients with COVID-19. The mechanism of transmission of SARS-CoV-2 is beginning to emerge as airborne spread in addition to direct droplet and indirect contact as main routes of transmission. Here, we report on the design, construction, and testing of the BADGER (Box for Aerosol and Droplet Guarding and Evacuation in Respiratory Infection), an affordable, scalable device that contains droplets and aerosol particles, thus minimizing the risk of infection to healthcare providers. A semi-sealed environment is created inside the BADGER, which is placed over the head of the patient and maintains at least 12-air changes per hour using in-wall vacuum suction. Multiple hand-ports enable healthcare providers to perform essential tasks on a patient’s airway and head. Overall, the BADGER has the potential to contain large droplets and small airborne particles as demonstrated by simulated qualitative and quantitative assessments to provide an additional layer of protection for healthcare providers treating COVID-19 and future respiratory contagions.

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