General problems

• Static cannot be eliminated.
• Product defects have to be eliminated.
• Dust ahheres to products.
• Fine particles cannot be removed from products.
• Workers get a static shock.
• Work piece cannot be electrified by the charger.

Problems on static eliminator

• No explanation by the static eliminator maker for problem
• The static eliminator currently used is not effective.
• Heavy maintenace for the currently used static eliminator
• Worhers get electrical shock from static eliminator leaks
• The compressed air used on static eliminator is too costly.
• Static eliminator has made product defects increased.
• Static eliminator is smelly.
• Worker complaints of cold breeze from static eliminator.

Problems on clean room

• Cleanliness level inside clean roon stays low.
• Too costly in electric power to maintain clean room
• Too high equipment investment to buy clean room
• Dust-related defects have not been reduced despite use of dust box.
• Dust is not removed with the air shower.

Problem regarding filter

• Too much power consumption
• Too expensive

Problem on humidification

• Molding dies and machinery get rusty.
• Semi-conducdtors breaks down.
• Facility goes moldy.
• Paper products lose elasticity and get shrinked.
• Dew condensation is formed

Problem on painting

• Foreign materials stick when painting.
• Seed (dust under paint)-related failures at auto repairshop
• Dust adherence at cellphone painting

Problem on deposition and surface treatment

• Foreign materials adhering problem at deposition

Problem on film

• Dust adheres when applying film.
• Blemish in film

Problem on parts feeder

• Parts feeder gets clogged up.

Problem on semi-conductor

• Semi-condutor breaks down.
• Memory is erased.
• It cracks when backgrinding wafer.

Problem on electric appliance

• Wearing wrist strap is too burdensome.
• Wearing conductive shoes is too burdensome
• Conductive floor is too expensive.
• Dust intrusion into auto indicators when assembling

Problem on food container

• Foreign materials stick or mix in when manufacturing food cup.

Problem on medical care, medicines and cosmetics

• Chemicals clog up.
• Difficulty in packing medicines
• Medical equipments get bound by static.
• Dust adheres to medical equipments.
• Dust adheres to cosmetics when packing

Problem on paper products

• Paper sheets jam up in machine.
• Paper sheets are supplied with some sticking up
• Paper sheets are not properly aligned.

Problem on printing

• Printing is not fine. Ink clogs up ocasionally and paper becomes inky.

Problem on printed circuit board

• Printed circuit boards are supplied with some sticking together.

Problem on FRP and CFRP

• Dust adheres to FRP when molding
• Dust adheres to CFRP when molding
• Dust adheres to FRP when painting

Problem on plastics

• Dust adheres to plastics when molding.。
• Dust and barrs adhere to dies.
• Molded work remains in die.

Problem on AGV and forklift

• AGV is electrified.
• Forklift is electrified.

Problem on pinball machines

• Finger gets an electricshock when it touches the machine.
• Machines would stop the operation due to static.
• Machine operation display is damaged.。
• Dust sticks on steel balls to have machines inperable.

Problem inside game hall

• Children start crying with a electricshock or keep away from game hall.
• Play equipments becomes dirty with dust.