Humidity Controlled Storage Cabinets

Description

Climatest Symor® humidity controlled storage cabinets provide <5%RH ultra-low humidity storage environment, it is designed to protect moisture sensitive components from moisture-related defects, as per IPC/JEDEC J-STD-033 standard, the popcorn and micro-cracking problems in reflow process are effectively settled in this dry cabinet.

Specification

Mode# with F: ESD function, Dark Blue color.
Mode# without F: No ESD function, off white color

Feature

·Adopts Switzerland original imported humidity & temperature sensor.

-This ensures high accuracy in use, this humidity controlled storage cabinets have memory function, no need to re-set after power failure.

·Made by 1.2mm thickness galvanized steel, with USA DuPont ESD painting.

-Reinforced structure design, excellent load-bearing, surface treatment with 18 painting processes, the static resistance value meets 10⁶ -10⁸Ω, also with strong corrosion resistance.

·3.2mm high intensity tempered glass window for better observation.

- Flat press zinc alloy lock, with perfect air tightness and anti-theft function, this humidity controlled storage cabinets sealing performance is excellent.

·With memory function, no need to re-set after power failure.

-The humidity controlled storage cabinets can automatically memorize the last setting value after power off, no need set again.

·Powerful dry unit with +15 years projected lifespan.

- The humidity controlled storage cabinets adopt 4A molecular sieve dry unit, the most advanced technique, it can be regenerated automatically, no need replacement.

·Universal castors installed at bottom, ESD safe.

- Reinforced PU castors are installed at the bottom of humidity controlled storage cabinets, front two with brakes for easy move and stop.

Definition of Climatest Symor® humidity controlled storage cabinets?

Climatest Symor® humidity controlled storage cabinets, is an enclosure with electronic humidity control that automatically maintains a stable relative humidity (RH) value, the humidity controlled storage cabinets come in different sizes and shapes, it can maintain <5%RH low humidity environment reliably, with precise RH control, but do require a constant power supply.

How do humidity controlled storage cabinets influence the SMT production?

MSL components, like IC, BGA, PCB, are very sensitive to moisture, these components have strict requirements for the storage environment, unlike the civilian moisture-proof dry boxes, the humidity controlled storage cabinets can reach a very low humidity value, the dehumidifying and recovering speed is super fast, the whole cabinets are ESD safe.
During reflow process, trace moisture penetrate into the IC packages, the moisture pressure rises due to heating, the absorbed moisture expand quickly inside, this result in invisible damages, like wiring failure, popcorn and micro-cracking, even cracking to the surface, these defects are not easy to be seen in the early stage, however, these invisible, potential problems enter into the market, then faculty products return and complains follow.

humidity controlled storage cabinetscan maintain <5%RH, that effectively eliminate the risks of failures result from improper storage during assembly process. IPC/JEDEC J-STD-033 standard specifies“Standard for Handling, Packing, Shipping and Use of Moisture/Reflow Sensitive Surface Mount Devices.”, it require low humidity storage for moisture sensitive components.

Why do you need a humidity controlled storage cabinets for SMD storage?

MSD devices are generally integrated circuits, composed of different components, these components are assembled through paste, this inevitably causes gaps among components, the gaps are the main factor of MSD dampness, moisture will penetrate, and gradually into the SMD, when the penetration reaches a certain extent, SMD get damp and failed.
MSD low humidity storage , aims to control the SMD workshop life, humidity controlled storage cabinets provide an effective storage solution, the humidity controlled storage cabinets performance determines the SMD storage effect, a professional humidity controlled storage cabinets should achieve low humidity, antistatic and fast dehumidifying functions.
SMD level determines the required humidity level. In the current SMD level, the commonly used storage humidity is 20%, 10% and 5%RH.
Climatest Symor® humidity controlled storage cabinets adopt Switzerland imported temp. & RH sensor, the error is +/-2%RH, with high precision and high stability, humidity is adjustable, air-tightness is excellent.

humidity controlled storage cabinets application

humidity controlled storage cabinets are essential in electronic/semiconductor manufacturing industry, it is the OPTIMAL storage solution for:
※ PCB assembly, IC chips, LED, SMD, SMT, tape & reels, printed wiring boards(PWB), polymide film, feeders.
※ Capacitors, ceramic parts, connectors, switches, welding bar.
※ MSL components that have been partially assembled.
※ Moisture-absorbing materials, such as epoxy, resins, adhesives.

Moreover, cleanrooms have very strict hygiene requirements, the standard models don’t match, Climatest Symor® also supplies stainless steel (SS) dry cabinets and stainless steel (SS) nitrogen cabinets, both are customized according to customers’ specific demands.

<5%RH Series dehumidifying speed:

Open door 30 seconds and then closed, the humidity will recover to <5%RH within 30 minutes,see below curve: (Ambient 25 degree C, humidity 60%RH)

WHAT ARE THE COMMON METHODS TO STORE ELECTRONIC COMPONENTS?

1.Moisture barrier bags
❊Method: The moisture sensitive components are packed in sealed moisture barrier bags, with desiccants and humidity indicator card (HIC) inside, users identify the ambient humidity in the sealed packages by checking the color change of the dots on the car.
❊Disadvantage: Moisture barrier bags + humidity indicator cars + desiccants + manual work = consumables, leakage risk, high cost.

2.Nitrogen cabinets
❊Method: The moisture sensitive components are stored in nitrogen purge cabinets or compressed air to meet low humidity storage
❊Disadvantage: Nitrogen filling = continuous N2 consumption, high co

3.Electronic dry cabinets
❊Method: The moisture sensitive components are placed in an electronic dry cabinet, just plug in, the machine will automatically work, and reach very low humidity.
❊ Advantages: No consumables, no manual work, no nitrogen consumption, environmental, only a little bit of electricity needed.

We provide humidity controlled storage cabinets solutions to below industries:

Advantages of humidity controlled storage cabinets

For more details about humidity controlled storage cabinets, pls visit our website www.climatestsymor.com or directly send emails to sales@climatestsymor.com, we will get you back at quickest time, welcome for possible collaboration.