A whiteboard (also known as marker , dry delete board , wipe board , dry -wipe board , pen-board , and grease board ) are glossy surfaces, usually white for nonpermanent markers. The whiteboard is analogous to a whiteboard, but with a smoother surface allows quick marking and mark removal on its surface. The popularity of blackboards increased rapidly in the mid-1990s and they have become fixtures in many offices, meeting rooms, school classrooms, and other work environments.
The term whiteboard is also used metaphorically to refer to computer software application features that simulate a whiteboard. Such virtual "whiteboard" enables one or more people to write or draw images on a simulated canvas. This is a common feature of many virtual meetings, collaborations, and instant messaging applications. The term whiteboard is also used to refer to the interactive whiteboard.
Video Whiteboard
History
Albert Stallion invented the blackboard while working at the Alliance in the 1960s. The Alliance (now known as PolyVision) produces enameled steel for architectural cladding, but Stallion notes it is also potentially used as a writing surface. Stallion then abandoned the Alliance to form its own whiteboard production company, MagiBoards.
Whiteboards became commercially available in the early 1960s, but were not widely used until 40 years later. The initial whiteboard needs to be cleaned with a damp cloth and markers have a tendency to leave marks behind, even after removing the board. Dried dry markers for whiteboards were found in 1975.
Whiteboard began to become commonly used by businesses in the early 1990s. They became more common in the classroom during the 1990s due to concerns over health problems in children with dust allergies and chalkdust potential for computer damage. By the late 1990s, about 21% of American classrooms had switched from the blackboard to the blackboard.
Maps Whiteboard
Type
The first blackboard is very expensive and made of enameled steel. Cheaper versions are then produced, including laminated chipboard, high pressure laminates and steel boards with a white coating, usually polyester or acrylic. The enamelboards, also referred to as porcelain, and sometimes glass boards, have the advantage that the marks can be removed completely; other materials tend to be tarnished from time to time. The enamel boards are more expensive and less used in commercial environments, but in more demanding environments with heavier use, such as educational institutions, porcelain boards are considered superior.
Other types of dry marker boards are also available, such as high vinyl gloss and coated, rollable, high-density two-part high gloss, glass and acrylic coated paper and magic polypropylene slates that use static electricity to adhere to walls, windows and door.
Clear marker surfaces, made of specially coated glass or acrylic, became available around the mid-2000s. Usually made from technical glass, e.g. for monitor screen filters, which are optically coated.
Adhesive Whiteboard
The whiteboard material can be purchased in the form of rolls, sheets, and preformed boards. The glueboard is either a sheet or a roll and has a back stick that allows the user to create a special size board or project with the material. Although the adhesive slates do not have heavy hard glass or painted steel plates, melamine allows for flexible materials while maintaining high quality whiteboard attributes from other surface materials. The adhesive slates enable special projects like dry erase wall calendars, blackboard tables, grocery shopping lists, indoor games for kids, and more.
The marker can be deleted
The whiteboard pen (also called self-deleted whiteboard markers or markers) was invented by Jerry Woolf of Techform Laboratories and later patented by Pen Pilot in 1975. It is a non-permanent marker and uses removable inks attached to the writing surface without binding or being absorbed by it. Applications range from temporary writing to acetate sheets (for use with overhead projectors) to whiteboards and similar glossy surfaces. The removable ink contains no toxic and/or toluene toxic chemical compounds, unlike permanent markers.
Surface material
There are six types of materials commonly used for the blackboard surface:
- Melamine
- The resin-infused paper is usually used on a substrate that can range from particle board to MDF (medium density fiberboard). Melamine boards have varying qualities mainly due to the amount of resin stored on the base material. Some melamine boards remain clean (not shaded) for a long time, others less so. Generally, the cheapest type of whiteboard is most often found used in non-institutional applications. They are available in office supply stores. Performance varies greatly. These boards are not suitable for heavy use, as in many educational cases, with time the paint is eroding and the original surface reappears.
- Steel painted or aluminum
- Painted steel and aluminum dry erase also have a wide range of qualities. Painted surfaces tend to be smoother, leading to better removal methods. Painted surfaces are generally layers of layers made of colored (most often white) base layers and a clear performance layer which is a dry eraser component. Paints vary from electron beam rays preserved to UV and other coating systems. Painted high-grade steel or aluminum has excellent dry-cleaning properties and many will be able to have permanent markers cleared from the surface. The coated surface is anything prone to scratches. The painted steel surface is magnetic and allows the use of magnets. Painted aluminum surfaces are rarely used as a base for blackboards because they are not magnetized and more expensive than steel. The painted steel boards are most often used for custom printed whiteboards. These products are used as track boards, patient information boards and tournament boards and training.
- Hardcoat Laminate
- Here again the performance varies over a wide range depending on the amount of resin used in the plant. Basically, this category primarily uses melamine as a dry removal performance layer and therefore falls into the melamine universe. Depending on the manufacturers (and prices) these laminates are often less porous and highly resistant to staining. Less common than other whiteboard surfaces, as they are usually shared with something else (cupboards, doors or tables for example). (This statement applies to Porcelain steel which is the only lifetime warranty available on the market)
- Porcelain, enamel-on-steel
- Ceramics are fired onto a steel surface in a kiln. They are the most durable surfaces, and most carry lifetime warranties. They are very common in widely used industrial settings. They are highly scratch resistant, although the harder material than glass, like diamonds, can scratch it. They do not absorb dry ink or ink permanent markers. They allow the use of magnets. The surface can be cleaned with a non-abrasive cleaner suitable for porcelain, then rinsed with water to prevent smudging. Permanent markers can be removed using a polar solvent such as ethanol, isopropanol or acetone, or by writing on it with a dry erase marker and wipe it off.
- Tempered glass
- Tempered glass is easier to remove. Most white glass boards do not have frames.
Polypropylene film
Innovation results in the use of polypropylene films. Polypropylene films have the ability to obtain static charges that allow the user to attach them to any surface. It works with markers and dry paper whiteboards. Whiteboard can be reused and material can be recycled.
See also
- Pencil grease
- Flip chart
References
Source of the article : Wikipedia
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