Cleanroom Cleaning Management Process
I. Required Cleaning Tools and Products
(1) Cleanroom-specific ESD vacuum cleaner
(2) Cleanroom paper, lint-free cloth
(3) Deionized water
(4) Alcohol
(5) Water bucket
(6) Mop
(7) Mop bucket
II. Cleaning Requirements
(1) Use cleanroom lint-free cloths when cleaning the walls of the cleanroom.
(2) Prepare a cleaning solution using 90% deionized water and 10% isopropyl alcohol.
(3) Use approved cleanroom-specific stain removers.
(4) Check the trash cans in the workshop and preparation room daily and empty them promptly.
(5) Vacuum every floor surface. At each shift handover, mark the work completion status on a map, indicating where the work ended and started.
(6) Use a dedicated mop to clean the cleanroom floor.
(7) Use a dedicated vacuum cleaner with a high-efficiency filter for vacuuming in the cleanroom.
(8) All doors need to be inspected and cleaned.
(9) Mop the floor after vacuuming. Mop the walls once a week.
(10) Vacuum and wipe the area under the raised floor.
(11) Wipe the columns and support pillars under the raised floor every three months.
(12) Always remember to wipe from top to bottom, starting from the furthest point from the door and working towards it.
III. Cleaning Procedure for the Cleanroom
(1) Change into dedicated anti-static clothing, put on a hat and mask, and enter the cleanroom after passing through the air shower vacuum tunnel.
(2) Prepare cleaning tools and supplies and place them in the designated locations before starting cleaning.
(3) Pick up litter on the floor, proceeding from the inside out according to the production line sequence. (4) Empty and remove trash cans and bins on time, inspect them, strictly classify them according to regulations, and transport them to the designated trash room for sorting after inspection by the production line manager or security guard.
(5) Clean indoor glass, walls, and shelves from top to bottom using clean paper or lint-free cloth.
(6) Carefully dust and clean the floor from the inside out using a clean dust mop. Clean any trash, stains, or water marks on the floor promptly with a lint-free cloth.
(7) Clean the production line, under workbenches, and under chairs during employee breaks and mealtimes.
(8) Regularly clean the ceiling, air conditioning vents, ceiling light covers, and under raised floors. Cleaning procedures and materials must be approved by the factory administration department and carried out according to plan during holidays and work breaks.
(9) Cleanroom floor waxing must be strictly carried out according to the plan and cleaning procedures, and anti-static wax must be used. (10) After cleaning is completed, all cleaning supplies must be collected in the designated cleaning room, stored separately from ordinary tools to avoid cross-contamination, and arranged neatly. They must not be left haphazardly in the cleanroom.
IV. Precautions
(1) Loose head coverings, face masks, beard covers, shoe covers, and latex gloves must be discarded and never reused.
(2) Employee attire and preparation requirements.
(3) Personal belongings such as coats, hats, wallets, and keys are not allowed.
(4) Employees should change into clothing and accessories that may cause contamination.
(5) Employees should wear cleanroom hoods, gloves, rabbit fur suits, and socks. Damaged or contaminated smocks or gowns should be replaced immediately. Attire should conform to the prescribed dressing procedures.
(6) No ordinary paper pads, notebooks, manuals and writing boards are allowed; ordinary writing pencils, pens, erasers, crayons or chalk are not allowed; ballpoint pens or other dust-free tools are not allowed on lint paper, plastic paper or similar paper; blue lines, specifications or other instructions should be covered with plastic film, lint or other dust-free tools.