How are pass boxes used in clean rooms?

As assisting equipment of the cleanroom, the pass box is largely used for the transmission of small substances between the spotless area and the spotless area, and between the non-clean area and the spotless area to decrease the number of door intros in the cleanroom and minimize the spotless area Contamination. 

The pass box bought from the pass box dealers is extensively used in micro-technology, organic laboratories, pharmacological factories, infirmaries, food processing businesses, LCDs, electronics plants, and other habitations that need air cleansing.

The pass box supplied by the pass box suppliers is separated into three groups: 1. Automated meshing pass box 2. Power-driven meshing pass box 3. Self-cleaning pass box.

In addition, the pass box can be alienated into air bath pass box, normal pass box, and laminar movement pass box rendering to the working code. Numerous replicas of the pass box can be made by the Pass box manufacturers rendering their actual necessities. 

A cleanroom denotes the elimination of particulates, damaging air, microorganisms, and other contaminants in the air inside a confident space, and the interior temperature, hygiene, inside pressure, air speed and air delivery, sound, tremor, illumination, and still electricity are measured inside a confident range. The area is particularly calculated within the possibility of demand. That is, no matter how the outside air circumstances change, the room can uphold the fundamental set necessities of hygiene, temperature, moisture, and pressure.

The main purpose of the cleanroom is to control the hygiene, temperature, and moisture of the atmosphere that the goods (such as silicon chips, etc.) interact with so that the goods can be shaped and factory-made in a good ecological space. 

This plot is named a cleanroom. Rendering to global practice, the echelon of dust-free cleansing is mainly founded on the number of atoms per cubic meter of air whose width is greater than the arrangement standard. In other words, the so-called dust-free is not 100% without a little powder but measured in a very small component. 

Of course, the atoms that meet the dirt standard in this standard are very minor likened to our common powder, but for the visual construction, even a small quantity of dirt will have a very large bad influence, so in the manufacture of visual structure goods, Dust-free is an unavoidable obligation.

The number of fine powders with an atomic scope of fewer than 0.3 microns per cubic meter is measured below 3,500, which grasps the A-level of the global dust-free normal. The dust-free normal of chip-level manufacture and dispensation has higher necessities for dirt than A-level. Such high ideals are mainly employed in the manufacture of some higher-level chips. 

The quantity of fine powder of 0.5uM and below is strictly measured inside 1,000 per cubic inch, which is the 1K level usually recognized in manufacturing. Unfilled state: a cleanroom (service) that has been built and can be put into use. It has all connected facilities and purposes. Though, there is no apparatus functioned by workers in the service.

Still Pass Box: A cleanroom (service) with various purposes complete, correctly set, and connected, and can be consumed or in use as a set, but there are no workers in the service.

Dynamic Pass Box: in a cleanroom in usual use, with faultless service purposes, apparatus and workers; if essential, normal work can be done.