1. A connector for connecting a first section of trunking to a second section of trunking, the connector comprising:
at least one extension portion adapted to extend through a first opening in a first section of trunking and through a second opening in a second section of trunking when engaged with said first section;
at least one retaining portion for preventing at least one said extension portion from moving from said first trunking section through said openings to said second trunking section; and
at least one clamping portion for applying a clamping force at a plurality of separate locations around said first and second opening to retain said first and second trunking sections in engagement with each other.
2. A connector according to claim 1, further comprising at least one surface engaging portion, for engaging an internal surface of said second trunking section adjacent said second opening.
3. A connector according to claim 1, further comprising at least one seal.
4. A connector according to claim 3, wherein at least one said seal is located between said first and second trunking sections.
5. A connector according to claim 3, wherein at least one said seal is located between said retaining portion and an internal surface of said first trunking section and at least one said seal is located between said surface engaging portion and an internal surface of said second trunking section.
6. A connector according to claim 3, wherein at least one said seal comprises at least one O-ring.
7. A connector according to claim 3, wherein at least one said seal comprises at least one sealing material attached to at least one of said retaining portion andor surface engaging portion.
8. A connector according to claim 1, wherein at least one retaining portion is attached to at least one said extension portion.
9. A connector according to claim 1, wherein at least one said retaining part comprises:
at least one connecting portion for connecting at least one said retaining part to at least one said extension portion; and
at least one first force applying portion for applying said clamping force by pulling at least one said first surface engaging portion towards at least one said first force applying portion.
10. A connector according to claim 9, wherein at least one said retaining part comprises at least one stud adapted to engage at least one respective aperture in said extension portion.
11. A connector according to claim 9, wherein at least one said first force applying portion further comprises at least one threaded portion adapted to engage a respective threaded portion of said connecting portion.
12. A connector according to claim 9, wherein said first force applying portion further comprises at least one arm portion adapted to rotate relative to said connecting portion and having at least one shaped surface adapted to engage either said surface engaging portion or an internal surface of said second trunking section.
13. A connector according to claim 1, wherein at least one said retaining part comprises:
at least one first force applying portion adapted to engage said first surface engaging portion; and
at least one second force applying portion adapted to apply said clamping force by pulling at least one said first surface engaging portion towards at least one said second force applying portion.
14. (canceled)
15. A connector for connecting a first section of trunking to a second section of trunking, the connector comprising:
at least one first extension portion having at least one channel extending therethrough for receiving cables and adapted to extend into a first trunking section at least one said extension portion having a plurality of surface engaging portions adapted to at least partially engage internal surfaces of said trunking section, at least one said surface engaging portion extending substantially around external surfaces of said extension portion;
at least one first retaining device adapted to retain at least one said extension portion relative to said trunking section; and
at least one end engaging portion extending at least partially around said extension portion and adapted to engage at least one end surface or edge of at least one said trunking section.
16. A connector according to claim 15, further comprising at least one second extension portion and at least one second retaining device.
17. A connector according to claim 15, wherein at least one said extension portion is tubular.
18. A connector according to claim 15, wherein at least one said surface engaging portion comprises at least one rib.
19. A connector according to claim 18, wherein at least one said rib has a substantially triangular cross-section.
20. A connector according to claim 15, wherein at least one retaining device comprises at least one aperture in said extension portion corresponding to an aperture in said trunking section and adapted to receive at least one fixing therein.
21. A connector according to claim 15, wherein at least one said end engaging portion comprises a first surface in use substantially co-planar with an external surface of said trunking section andor a lid thereon.
22. A connector according to claim 15, further comprising at least one seal.
23. (canceled)
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A manufacturing method of a semiconductor device, comprising the steps of:
forming a semiconductor film;
correcting a displacement of a laser beam emitted from a laser oscillator and projecting the laser beam onto a cylindrical lens array by using a transfer lens;
dividing the laser beam by using the cylindrical lens array;
superposing the divided laser beams by a condensing lens; and
crystallizing the semiconductor film by irradiating with the superposed laser beam.
2. The manufacturing method of a semiconductor device according to claim 1, wherein the transfer lens is provided in a position which allows an emission opening of the laser oscillator and an incidence plane of the cylindrical lens array to be conjugated to each other.
3. The manufacturing method of a semiconductor device according to claim 1, wherein the laser beam emitted from the laser oscillator is deflected by a deflecting mirror provided between the laser oscillator and the transfer lens.
4. The manufacturing method of a semiconductor device according to claim 1, further comprising the step of:
adding an impurity element into the crystallized semiconductor film to form a source region and a drain region.
5. The manufacturing method of a semiconductor device according to claim 4, wherein the transfer lens is provided in a position which allows an emission opening of the laser oscillator and an incidence plane of the cylindrical lens array to be conjugated to each other.
6. The manufacturing method of a semiconductor device according to claim 4, wherein the laser beam emitted from the laser oscillator is deflected by a deflecting mirror provided between the laser oscillator and the transfer lens.