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Controlled Environments

Do Vacuum Pumps Actually Pump Vacuum?

August 22, 2011 2:34 pm | by John B. Durkee, Ph.D., P.E. | Comments

Current industry activity is strong in production of enclosed cleaning machines which allow cleaning solvents to be used under vacuum conditions.                          


Testing ESD Garments

August 22, 2011 2:30 pm | by Jan Eudy | Cintas Cleanroom Resources | Comments

Is it appropriate to test an ESD garment on an operator?                                


Cost-effective and Efficient Way to Deal with AMC

August 22, 2011 2:28 pm | by Richard Bilodeau, PE | SMRT - Architects and Engineers | Comments

What’s the most efficient and cost-effective way for a growing company to deal with airborne molecular contamination (AMC) through the life cycle of a manufacturing facility?                           


I'm Pickin’ Up [NANO] Vibrations… [The Building] Is Giving Me Excitations…

August 22, 2011 2:22 pm | by Ahmad Soueid, AIA, LEED® AP | Comments

Nanoscale research involves measurement, manipulation, and fabrication on a minuscule scale. The accurate tasks essential to nanoscale research require “quiet” spaces.                           


Not All HEPA Filtration Systems Are Created Equal: 5 Tips for Selecting the Right Filter

August 22, 2011 2:18 pm | by Ed Sullivan | Comments

If you’re planning a new cleanroom, or maintaining an existing one, your choice of filters can be critical to product quality, production yields, and regulatory compliances.                           


Certification: Do It Right the First Time

August 22, 2011 2:15 pm | by Rick Gastner | Comments

How would you like to start up a facility with no major problems or last minute changes in design or implementation?                            


Airborne Molecular Contamination Monitoring: Optimization Strategies to Ensure Environmental Control

August 22, 2011 2:13 pm | by Dan Rodier, Ph.D. | Particle Measuring Systems | Comments

Yield losses due to airborne molecular contamination (AMC) issues started to emerge in semiconductor manufacturing over 20 years ago.                                          


Enhancing the Facility Monitoring Program

August 22, 2011 2:08 pm | by Barbara Done | Comments

Regarding the article in the June issue there is another, often forgotten, aspect of the monitoring program, which is the witness plate sampling and counting method as described in IEST-STD-CC1246D.                         


Purge with Ionized Air to Reduce ESD Damage

August 16, 2011 10:34 am | Comments

Purge with gas ionized by an inline electrical ionizer can effectively neutralize charges on wafers in a FOUP, reducing the chance of ESD occurrence.


Plan Twice Validate Once

July 31, 2011 8:00 pm | Comments

Plan twice; validate once is a prudent variant of the adage. Cleaning validation is a hurdle in many applications, including aerospace, microelectronics, pharmaceuticals, and medical device manufacture.


Twelve Common Workplace Behaviors That Drain Energy and How to Purge Them

July 31, 2011 8:00 pm | Comments

The source of your exhaustion might not be the tasks you’re doing or the hours you’re working—it may be the actions of the people laboring beside you. Jon Gordon identifies twelve draining behaviors to watch out for—and explains what you can do to counteract them and create a more nourishing workplace.


Best Practices with Interns

July 17, 2011 8:00 pm | Comments

Working with an intern is both a privilege and a responsibility for an employer. Interns can be a boon to your business and give you the extra pair of hands, current educational thinking, and enthusiasm and support your business needs.


Soap, Antiseptics, and Sterile Gloves

July 17, 2011 8:00 pm | Comments

A hidden reservoir of transfer organisms are those growing on the skin underneath sterile gloves. Hand washing with soap and water or a medicated soap must include thorough drying of the hands prior to donning gloves.


The Benefits of Isolator and Aseptic Processing

June 30, 2011 8:00 pm | by Gary Partington | Comments

With the need to formulate and fill more potent products aseptically, the use of isolators will continue to grow.

Hazards of Aerosol-Dispensed Cleaning Agents: Flammability

June 30, 2011 8:00 pm | by John B. Durkee, Ph.D., P.E. | Comments

Many doing critical cleaning have used aerosol-dispensed cleaning agents to reach certain portions of valuable surfaces so that the cleaning agent could do its “magic” and be removed with soil by a worker using a fabric wiper.


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