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Placement method for circuit carrier and circuit carrier

A technology for circuit carriers and equipment, which is applied in the direction of assembling printed circuits, circuits, printed circuits, etc. with electrical components, and can solve problems such as long process time and inaccurate positions

Inactive Publication Date: 2018-11-23
MIKROELEKTRONIK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The influence of the reflow soldering process causes additional positional inaccuracies, especially in the field of angular positional accuracy and tipping positional accuracy of SMD-LED devices
[0012] Mounting of SMD-LEDs by the common silver sintering method is not considered due to the unacceptably long process time > 10 seconds

Method used

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  • Placement method for circuit carrier and circuit carrier
  • Placement method for circuit carrier and circuit carrier
  • Placement method for circuit carrier and circuit carrier

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0054] Figures 1 to 3 A test circuit diagram is shown for checking the positional accuracy of each individual SMD-LED2. The circuit carrier 1 has conductive surfaces 5 which are insulated from one another by insulating regions 6 . The conductive surface 5 can be supplied with electrical energy via a connection 7 .

[0055] figure 1 A circuit carrier 1 equipped with six SMD-LEDs 2 is shown. Two reference points 3 can be seen, which are used on the one hand to determine deviations in the defined position of the SMD-LED 2 on the circuit carrier 1 and on the other hand to fix a not shown position for the SMD-LED 2 optical system. The alignment of the optical system takes place via separate reference points, which are not shown in this figure.

[0056] exist figure 1 Assembly is carried out using "pick and place" and reflow soldering methods according to the prior art. The SMD-LED 2 is oriented with its outer contour relative to the reference point 3 . Through the reflow s...

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PUM

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Abstract

The invention relates to a method for producing a circuit carrier (1) fitted with at least one surface-mounted LED (SMD-LED), wherein the at least one SMD-LED (2) is positioned on the circuit carrier(1) oriented to one or more reference points (3) of the circuit carrier (1), wherein the position of a light-emitting region (4) of the at least one SMD-LED (2) in the SMD-LED (2) is optically detected and the at least one SMD-LED (2) is mounted on the circuit carrier (1) depending on the detected position of the light-emitting region (4) of the at least one SMD-LED (2). The invention further relates to such a circuit carrier (1).

Description

[0001] This application is a divisional application of the Chinese invention patent application with the application number "201480001918.6". The filing date of the original application is February 7, 2014 (the PCT international filing date), the Chinese national application number is "201480001918.6" (the PCT international application number is PCT / AT2014 / 000027), and the name of the invention is "for circuit carrier Equipment method and circuit carrier". technical field [0002] The invention relates to a circuit carrier for producing a circuit carrier equipped with at least one surface-mounted LED (SMD-LED) and a circuit carrier. Background technique [0003] In order to realize optical applications of light based on surface-mounted LED devices (SMD-LEDs), it is required to mount the SMD-LEDs on a circuit carrier with high precision. For example, headlights, daytime running lights, flashers, and turn signal lights of motor vehicles, their light sources are LEDs. [0004...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K1/02H05K3/30H05K3/32H05K13/04H05K13/08
CPCH01L25/0753H01L33/58H05K1/0269H05K3/321H05K2201/09918H05K1/181H05K3/325H05K3/341H05K13/0465H05K13/0469H05K2201/10106H05K2203/0278H05K2203/043H05K3/303H05K2203/166H05K13/046H05K13/0812H05K13/0815H01L2224/831H01L2224/83905H01L24/27H01L24/29H01L24/32H01L24/75H01L2224/2732H01L2224/293H01L2224/29339H01L2224/32227H01L2224/75745H01L2224/83101H01L2224/83192H01L2224/83815H01L2224/8384H01L2224/83862H01L2224/83874H01L2224/83885H01L2924/12041H01L2224/29294H01L2224/83122H01L25/13H01L33/486H01L33/62H01L24/83Y02P70/50H01L2924/00014H01L2924/00012H01L2924/014H05K1/02H05K3/30H05K13/04H01L22/12
Inventor A·卡希
Owner MIKROELEKTRONIK
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