WO1999003129A1 - Method for transporting goods and transportation device - Google Patents

Method for transporting goods and transportation device Download PDF

Info

Publication number
WO1999003129A1
WO1999003129A1 PCT/SE1998/001308 SE9801308W WO9903129A1 WO 1999003129 A1 WO1999003129 A1 WO 1999003129A1 SE 9801308 W SE9801308 W SE 9801308W WO 9903129 A1 WO9903129 A1 WO 9903129A1
Authority
WO
WIPO (PCT)
Prior art keywords
carriage
workshop
components
electronic components
transport
Prior art date
Application number
PCT/SE1998/001308
Other languages
French (fr)
Swedish (sv)
Inventor
Fredrik BÅÅTHE
Jan-Erik Lindgren
Johan Tunell
Original Assignee
Avnet Nordic Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Avnet Nordic Ab filed Critical Avnet Nordic Ab
Priority to AU83637/98A priority Critical patent/AU8363798A/en
Publication of WO1999003129A1 publication Critical patent/WO1999003129A1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
    • H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
    • H01L21/67724—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations by means of a cart or a vehicule

Definitions

  • the present invention relates to a method for the transportation of goods and to a transport carriage.
  • the invention relates to a method of transporting goods that are extremely sensitive to dust and other small particles.
  • the invention also relates to a transport carriage and is concerned more particularly with the transportation of electronic components from, e.g., suppliers to manufacturers who use the components in the manufacture of their products.
  • the invention is not, however, restricted to this particular application, but can be applied in other transport applications or in intermediate storage applications.
  • Such industries often obtain electronic components from the manufacturers of such components, via suppliers.
  • the components are transported from the manufacturers in transportation boxes of different kinds, by means of regular transportation means, such as ships, trucks, aircraft, etc.
  • regular transportation means such as ships, trucks, aircraft, etc.
  • Such means of transportation are not particularly adapted for the transportation of electronic components.
  • the supplier sends the components to the manufacturer, either in the aforementioned transport boxes or in other boxes that contain the components ordered by the manufacturer.
  • the goods When the goods arrive at the manufacturer, they are normally unpacked from the boxes in a room that lies outside the workshop in which manufacture or assembly takes place. However, the boxes may at times also be unpacked in the actual workshop or assembly shop.
  • the goods are packed in the transport boxes in smaller boxes, cartons, or in other transportation packages. These smaller boxes or packages are emptied, unwrapped, in the workshop.
  • Another problem is that the components often become charged with static electricity when the transport packages are handled and during their transportation.
  • the present invention solves these problems.
  • the present invention thus relates to a method of transporting electronic components to the manufacturing workshop for the manufacture of electronic products, said electronic components being placed in transport boxes or like receptacles prior to transportation, said method being characterised by unpacking the components in a first locality that is separate from the manufacturing workshop in the condition in which they shall be used in said workshop, and by placing the components in a dust-proof and dust-free transport carriage whose chassis and furniture is earthed electrically to the carriage wheels, said wheels being made of a so-called ESD-material, and by sealing the carriage subsequent to unloading components, and transporting the carriage to the workshop.
  • the present invention also relates to a transport carriage of the kind that has the characteristic features set forth in Claim 2.
  • FIG. 1 is a side view of the carriage with doors or the like open;
  • FIG. 1 is a view taken on the line A-A in Figure 1.
  • Figure 1 shows a transport carriage 1 for transporting electronic components to a workshop for the manufacture of electronic products, said electronic components being packed in boxes or corresponding devices prior to their transportation.
  • the carriage 1 is dust-proof.
  • the carriage interior is sealed-off with doors 2, 3 or other devices with appropriate, known seals.
  • the carriage may be fitted with plastic coverings that cover the carriage opening and that are secured to the carriage with some known type of fastener device used in connection with plastic bags, etc., such as a zip-fastener device.
  • the carriage furniture 4, 5 is adapted to support the electronic components in the state in which they shall be used in the workshop.
  • this furniture has the form of open-mesh baskets 4 made of an electrically conductive material, such as steel wire, which support boxes 6 that contain electronic components.
  • the carriage furnishings also include a plate 5 that includes holes for fastening so-called pin-pack containers 7 which carry, e.g., rolls 8 containing chips intended to be fitted in surface-mounting robots. So-called ESD-boxes 9 may also be placed on the bottom plate 10 of the carriage.
  • the carriage furniture shall be adapted so that the goods will be placed optimally so that after the carriage has been moved into a workshop, the electronic components can be easily removed from the carriage at the workplace concerned.
  • ESD Electronic Static Discharge and concerns an electronically conductive material which prevents the buildup of static electricity, such static being liable to damage the products and also disturb the workshop manufacturing processes.
  • the carriage chassis and the carriage furniture are earthed electrically to the carriage wheels 11, 12, which are made of a so-called ESD material. Since the workshop, or assembly shop, will normally have a so-called ESD-floor, static electricity will be conducted away when the carriage is moved into the workshop. This feature of the carriage also ensures that the carriage will not generate static electricity in its surroundings .
  • the carriage is designed in this way, the components can be packaged and placed in the dust-proof and dust-free transport carriage in a first locality that is separate from the workshop in the state in which the components shall be used therein, whereafter the carriage is sealed after packing-in the components and moved to the workshop, where it is opened.
  • This procedure solves the problems mentioned in the introduction, inasmuch that a significant part of the handling of transport packages takes place in a locality which is separate from the workshop, while ensuring that the components will not be statically charged during their transportation. Electronic components are thus delivered to the workshop in the state in which they shall be used, totally free from dust and static electricity.
  • the carriage has at least one side 13 which can be fully opened.
  • the doors 2, 3 of this embodiment are hung on hinges 14, 15, 16, 17 which are arranged to enable the doors to be opened to a position in which they lie against respective short sides 18, 19 of the carriage. This is illustrated by the arrow 20.
  • the carriage can be used more easily in the production shop or locality as a storage device at a working place in which the personnel concerned collect components from the carriage until the carriage is empty, whereafter a full carriage is moved to the workplace and the empty carriage returned, e.g., to the supplier for reloading with components.
  • a longitudinally extending, vertical wall 21 is placed centrally in the carriage, shown in Figure 2 in chain, such that both sides 13, 22 of the carriage that lie opposite the wall 21 can be opened completely. This enables the carriage to serve two workplaces on respective sides of the carriage.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Packaging Frangible Articles (AREA)
  • Handcart (AREA)

Abstract

A method of transporting electronic components to a workshop for the manufacture of electronic products, the electronic components being stored in transport boxes or the like prior to transportation. The invention is characterised by packing the components in a first locality separate from the workshop, in the state in which the components shall be used in the workshop; placing the components in a dust-proof and dust-free transport carriage (1) whose chassis (10, 13, 18, 19, 22) and furniture (4, 5) are earthed electrically to the carriage wheels (11, 12), the wheels being made of a so-called ESD material; sealing the carriage (1) subsequent to packing the electronic components therein; and transporting the carriage to the workshop.

Description

METHOD FOR TRANSPORTING GOODS AND TRANSPORTATION DEVICE
The present invention relates to a method for the transportation of goods and to a transport carriage.
The invention relates to a method of transporting goods that are extremely sensitive to dust and other small particles. The invention also relates to a transport carriage and is concerned more particularly with the transportation of electronic components from, e.g., suppliers to manufacturers who use the components in the manufacture of their products.
The invention is not, however, restricted to this particular application, but can be applied in other transport applications or in intermediate storage applications.
Many electronic industries have stringent cleanliness requirements, particularly industries that use microelectronics in the manufacture of their products, such as different forms of chips. Efforts are made to obtain essentially dust-free rooms and workshops to this end.
Such industries often obtain electronic components from the manufacturers of such components, via suppliers. The components are transported from the manufacturers in transportation boxes of different kinds, by means of regular transportation means, such as ships, trucks, aircraft, etc. Such means of transportation are not particularly adapted for the transportation of electronic components. The supplier sends the components to the manufacturer, either in the aforementioned transport boxes or in other boxes that contain the components ordered by the manufacturer.
When the goods arrive at the manufacturer, they are normally unpacked from the boxes in a room that lies outside the workshop in which manufacture or assembly takes place. However, the boxes may at times also be unpacked in the actual workshop or assembly shop. The goods are packed in the transport boxes in smaller boxes, cartons, or in other transportation packages. These smaller boxes or packages are emptied, unwrapped, in the workshop.
One problem with this type of transportation is that the boxes and packages become dusty and carry with them particles that have adhered to the wrappings during earlier handling, from the time of when the boxes and packages were packed and transported to their destinations to the time that they were unpacked from the transport boxes. These dust particles and other particles become dispersed in the air in the workshop and settle on the electronic components and the products under manufacture, therewith impairing the quality of the finished products. Apparatus for surface mounting electronic components or products are particularly sensitive in this regard.
Another problem is that the components often become charged with static electricity when the transport packages are handled and during their transportation.
The present invention solves these problems.
The present invention thus relates to a method of transporting electronic components to the manufacturing workshop for the manufacture of electronic products, said electronic components being placed in transport boxes or like receptacles prior to transportation, said method being characterised by unpacking the components in a first locality that is separate from the manufacturing workshop in the condition in which they shall be used in said workshop, and by placing the components in a dust-proof and dust-free transport carriage whose chassis and furniture is earthed electrically to the carriage wheels, said wheels being made of a so-called ESD-material, and by sealing the carriage subsequent to unloading components, and transporting the carriage to the workshop.
The present invention also relates to a transport carriage of the kind that has the characteristic features set forth in Claim 2.
The invention will now be described in more detail with reference to an exemplifying embodiment of a transport carriage and also with reference to the accompanying drawing, in which
- Figure 1 is a side view of the carriage with doors or the like open; and
- Figure 2 is a view taken on the line A-A in Figure 1.
Figure 1 shows a transport carriage 1 for transporting electronic components to a workshop for the manufacture of electronic products, said electronic components being packed in boxes or corresponding devices prior to their transportation.
According to the invention, the carriage 1 is dust-proof. In this regard, the carriage interior is sealed-off with doors 2, 3 or other devices with appropriate, known seals. Alternatively, the carriage may be fitted with plastic coverings that cover the carriage opening and that are secured to the carriage with some known type of fastener device used in connection with plastic bags, etc., such as a zip-fastener device.
According to the invention, the carriage furniture 4, 5 is adapted to support the electronic components in the state in which they shall be used in the workshop. In the Figure 1 illustration, this furniture has the form of open-mesh baskets 4 made of an electrically conductive material, such as steel wire, which support boxes 6 that contain electronic components. The carriage furnishings also include a plate 5 that includes holes for fastening so-called pin-pack containers 7 which carry, e.g., rolls 8 containing chips intended to be fitted in surface-mounting robots. So-called ESD-boxes 9 may also be placed on the bottom plate 10 of the carriage. Naturally, the carriage furniture shall be adapted so that the goods will be placed optimally so that after the carriage has been moved into a workshop, the electronic components can be easily removed from the carriage at the workplace concerned.
ESD stands for Electronic Static Discharge and concerns an electronically conductive material which prevents the buildup of static electricity, such static being liable to damage the products and also disturb the workshop manufacturing processes.
One particular important feature of the invention is that the carriage chassis and the carriage furniture are earthed electrically to the carriage wheels 11, 12, which are made of a so-called ESD material. Since the workshop, or assembly shop, will normally have a so-called ESD-floor, static electricity will be conducted away when the carriage is moved into the workshop. This feature of the carriage also ensures that the carriage will not generate static electricity in its surroundings .
Because the carriage is designed in this way, the components can be packaged and placed in the dust-proof and dust-free transport carriage in a first locality that is separate from the workshop in the state in which the components shall be used therein, whereafter the carriage is sealed after packing-in the components and moved to the workshop, where it is opened. This procedure solves the problems mentioned in the introduction, inasmuch that a significant part of the handling of transport packages takes place in a locality which is separate from the workshop, while ensuring that the components will not be statically charged during their transportation. Electronic components are thus delivered to the workshop in the state in which they shall be used, totally free from dust and static electricity.
According to one preferred embodiment of the invention, the carriage has at least one side 13 which can be fully opened. As shown in Figure 2, the doors 2, 3 of this embodiment are hung on hinges 14, 15, 16, 17 which are arranged to enable the doors to be opened to a position in which they lie against respective short sides 18, 19 of the carriage. This is illustrated by the arrow 20.
Because one side of the carriage can be opened completely, the carriage can be used more easily in the production shop or locality as a storage device at a working place in which the personnel concerned collect components from the carriage until the carriage is empty, whereafter a full carriage is moved to the workplace and the empty carriage returned, e.g., to the supplier for reloading with components.
According to an alternative and preferred embodiment, a longitudinally extending, vertical wall 21 is placed centrally in the carriage, shown in Figure 2 in chain, such that both sides 13, 22 of the carriage that lie opposite the wall 21 can be opened completely. This enables the carriage to serve two workplaces on respective sides of the carriage.
Although the invention has been described above with reference to a number of embodiments thereof, it will be obvious that the design of the carriage can be varied in accordance with requirements.
The invention is thus not restricted to the illustrated and described embodiments, since variations and modifications can be made within the scope of the following Claims.

Claims

1. A. method of transporting electronic components to a workshop for the manufacture of electronic products, said electronic components being stored in transport boxes or the like prior to transportation, characterised by packing the components in a first locality separate from said workshop, in the state in which said components shall be used in said workshop; placing the components in a dust-proof and dust- free transport carriage (1) whose chassis (10, 13, 18, 19, 22) and furniture (4, 5) are earthed electrically to the carriage wheels (11, 12), said wheels being made of a so- called ESD material; sealing the carriage (1) subsequent to packing the electronic components therein; and transporting the carriage to said workshop.
2. A. transport carriage for transporting electronic components to a workshop for the manufacture of electronic products, said electronic components being stored in transport boxes or the like prior to transportation, characterised in that the carriage (1) is dust-proof; in that the carriage furniture (4, 5) is designed to support the electronic components in the state in which they shall be used in the workshop; in that the carriage chassis (10, 13, 18, 19, 22) and its furniture (4, 5) are earthed electrically to the carriage wheels (11, 12); and in that the carriage wheels are made of a so-called ESD material.
3. A transport carriage according to Claim 2, characterised in that the carriage (1) has at least one side (13) which can be opened completely.
4. A transport carriage according to Claim 2 or 3, characterised in that the carriage has a longitudinally extending, vertical wall (21) placed centrally thereof; and in that both carriage sides (13, 21) located opposite said vertical wall (21) can be opened completely.
PCT/SE1998/001308 1997-07-11 1998-07-02 Method for transporting goods and transportation device WO1999003129A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU83637/98A AU8363798A (en) 1997-07-11 1998-07-02 Method for transporting goods and transportation device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9702684-3 1997-07-11
SE9702684A SE9702684L (en) 1997-07-11 1997-07-11 Procedure for transporting goods, as well as transport carriage

Publications (1)

Publication Number Publication Date
WO1999003129A1 true WO1999003129A1 (en) 1999-01-21

Family

ID=20407722

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1998/001308 WO1999003129A1 (en) 1997-07-11 1998-07-02 Method for transporting goods and transportation device

Country Status (3)

Country Link
AU (1) AU8363798A (en)
SE (1) SE9702684L (en)
WO (1) WO1999003129A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130200916A1 (en) * 2012-02-06 2013-08-08 Peter G. Panagas Testing System with Mobile Storage Carts and Computer-Controlled Loading Equipment
CN103855063A (en) * 2012-12-04 2014-06-11 浚丰太阳能(江苏)有限公司 Battery piece transferring trolley

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3931985A1 (en) * 1989-09-26 1991-04-04 Hls Halbleiter Produktionstech Transport magazine for wafers in clean room - has transport carriage with enclosed magazine chamber with movable wall member(s)
US5489106A (en) * 1994-03-16 1996-02-06 Sony Corporation Clean room cart

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3931985A1 (en) * 1989-09-26 1991-04-04 Hls Halbleiter Produktionstech Transport magazine for wafers in clean room - has transport carriage with enclosed magazine chamber with movable wall member(s)
US5489106A (en) * 1994-03-16 1996-02-06 Sony Corporation Clean room cart

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130200916A1 (en) * 2012-02-06 2013-08-08 Peter G. Panagas Testing System with Mobile Storage Carts and Computer-Controlled Loading Equipment
CN103855063A (en) * 2012-12-04 2014-06-11 浚丰太阳能(江苏)有限公司 Battery piece transferring trolley

Also Published As

Publication number Publication date
SE9702684D0 (en) 1997-07-11
SE509307C2 (en) 1999-01-11
AU8363798A (en) 1999-02-08
SE9702684L (en) 1999-01-11

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