BS EN 62496-4:2011
$167.15
Optical circuit boards – Interface standards. General and guidance
| Published By | Publication Date | Number of Pages |
| BSI | 2011 | 34 |
IEC 62496-4:2011 covers general information on the subject of Optical Circuit Board (OCB) interfaces. It includes normative references, definitions and rules for creating and interpreting the standard drawings.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | English CONTENTS |
| 8 | 1 Scope 2 Normative references 3 Terms and definitions 3.1 General definitions |
| 9 | 3.2 Core shape definitions |
| 10 | Figures Figure 1 – Examples of shapes of square core (quasi-square made by extrapolation or interpolation) Figure 2 – Examples of shapes of circular core |
| 11 | 4 Coordinates of I/O ports of waveguide OCB 4.1 Structural types of waveguide OCB Figure 3 – Six structural parameters of square core shape of waveguide OCB |
| 12 | Figure 4 – Example of OCB with end face I/O ports at edge of board Figure 5 – Example of OCB with end face I/O type |
| 13 | 4.2 Origin point and coordinate axis Figure 6 – Example of OCB with surface I/O ports Figure 7 – Example of OCB with surface I/O ports |
| 14 | Figure 8 – Definition of origin point 1): A specific port is used as the origin point Table 1 – The coordinate system, origin point and coordinate axis |
| 15 | Figure 9 – Definition of origin point 2): Determination of an origin point at a place where there is no port (a mid-point of adjacent two ports at the centre of bottom line is used as the origin) Figure 10 – Definition of the direction of coordinate axis 1):Use the direction of alignment of multiple ports Figure 11 – Definition of direction of coordinate axis 2):Along a specific optical circuit (only if the wire is recognizable) |
| 16 | Figure 12 – Origin point and coordinate axis (1) Figure 13 – Origin point and coordinate axis (2) |
| 17 | Figure 14 – Origin point and direction of coordinate axis (combination of Figure 12 and Figure 13) Figure 15 – Use of both internal coordinate and external coordinate systems:Internal for the origin point (a specific optical input/output port) and external for the direction of the axis (dedicated structures) |
| 18 | 5 Misalignment angle of I/O ports 5.1 General 5.2 Misalignment angle of I/O port in edge type Figure 16 – Use of both internal coordinate and external coordinate systems:Internal for the origin point (coordinates of a specific optical input/output port) and external for the direction of the axis (periphery of the board) |
| 19 | Figure 17 – Definition of misalignment angle of I/O port in edge type Figure 18 – Definition of vertical and horizontal rotationalmisalignment angle of I/O port in edge type |
| 20 | 5.3 Misalignment angle in surface type I/O port Figure 19 – Definition of misalignment angle of I/O port in surface type |
| 21 | 6 Mirror angle Figure 20 – Definition of longitudinal and lateral misalignment angle of I/O port in surface type Figure 21 – Mirror angle 1 Figure 22 – Mirror angle 2 |
| 22 | Figure 23 – Mirror angle 3 Figure 24 – Mirror angle 4 |
| 23 | 7 Hole Figure 25 – Mirror tilt angle Figure 26 – Example of optical alignment hole |
| 24 | 8 Dimensioning system 9 Gauges 10 Tolerance grade of the OCB 10.1 General Figure 27 – Hole and objects to be measured |
| 25 | 10.2 Shape accuracy of the OCB body of fibre flexible OCB 10.3 Position accuracy of the OCB port/I/O port of fibre flexible OCB Figure 28 – Classification of shape accuracy of OCB body of fibre flexible OCB |
| 26 | 10.4 Length accuracy of the OCB tails of fibre flexible OCB |
| 27 | Annex A (normative) OCB interfaces |
| 30 | Annex B (informative) Example of the OCB Figure B.1 – Example of the fibre flexible OCB |
| 31 | Figure B.2 – Origin point and coordinate for the fibre flexible OCB |
| 32 | Bibliography |
