Self-aligning sintering clamp of semiconductor laser tube core and tube core sintering method
A laser and semiconductor technology, which is applied in the direction of semiconductor lasers, lasers, laser components, etc., can solve the problems of reducing the reliability of the sintering pass rate, the difficulty of processing and assembling precision parts, reducing the sintering yield and the quality of the spot, etc., to reduce Sintering cavity, low production cost, solve the effect of low luminous efficiency
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Embodiment 1
[0041] Self-aligned sintering fixtures for semiconductor laser dies, such as figure 1 As shown, it includes a bracket, an alignment base 4, a pressing post and a spring 6. The bracket, such as figure 2 As shown, it includes a bottom support 1, a cantilever 2 and a connecting arm 3. There is a positioning slot 7 on the bottom support 1 that is compatible with the alignment base 4. The positioning slot 7 is a rectangular groove with one side open, so that the alignment The position base 4 can move in the positioning card slot 7 and the side is attached to the inner wall of the card slot; the counter base 4 is rectangular or square stepped, such as image 3 As shown, there is a first plane 17 and a second plane (the lower plane of the step), the first plane 17 is higher than the second plane, the second plane is the heat sink platform 9, and the size of the heat sink platform 9 is suitable for the heat sink 16 Matching, so that the die 15 on the heat sink 16 can be aligned wit...
Embodiment 2
[0046] Utilize the self-aligned sintering fixture of embodiment 1 to carry out the method for semiconductor laser tube core sintering, the steps are as follows:
[0047] (1) Place the heat sink with solder on the heat sink mounting table of the alignment base, and place the semiconductor laser die on the solder of the heat sink with an adsorption machine under a microscope;
[0048] (2) Put the matching spring on the pressure column, insert the upper end of the pressure column into the pressure column guide hole on the cantilever of the bracket and lift it up;
[0049] (3) Insert the alignment base with the heat sink and the die into the positioning slot of the bottom support of the bracket, and push it to the end;
[0050] (4) Lower the pressure column so that it is facing the laser die and press it tightly to complete the setting of the fixture;
[0051] (5) Repeat the above steps (1) to (4) to set up several other identical fixtures to hold the heat sink and die; The shel...
Embodiment 3
[0053] As described in Example 1, the difference is that the structure of the alignment base is as follows Image 6 As shown, the alignment base has a first plane 17, a second plane 18 and a third plane 19, the first plane 17 is higher than the second plane 18, and the second plane 18 is a heat sink mounting platform suitable for the size of the heat sink Matching, the second plane 18 is higher than the third plane 19, and the size of the third plane 19 is adapted to the positioning slot 7. For heat sinks with smaller dimensions.
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