CN2607584Y - Optical sub-module structure for optical fibre transceiver - Google Patents

Abstract

The utility model relates to an optical sub-assembly(OSA) structure of an optical fiber transceiver, consists of a housing, a holder, a lens and a functional component, and is characterized in that the housing used to insert an optical fiber head and the holder usded to insert the lens and the functional component are caused to form into two structural bodies that are respectively shaped or combined correspondingly through injected and molded plastic members or lathed metal members. When at assembly, after the lens is entered into and assembled with the holder, the lens and the holder can be aligned with the functional component in order to firstly assemble a quality-checked composite body, and then to secondly assemble with the housing. The utility model has complex effects that the lens surface facing to the optical fiber head can be formed into a shallow-hole structure so that the check procedure of the functional structure can be simplified with the detachable structural design of the housing and the holder; that the cost can be lowered, the quality can be enhanced, the batch production can be easily realized, and the functional component can be easily packaged with the composite body with the effective promotion of the check efficiency and the good end product rate of the composite body.

Description

The optical secondary block structure of fiber optical transceiver

Technical field

The utility model is relevant for the optical secondary module of a kind of fiber optical transceiver, particularly a kind of fiber optical transceiver.

Technical background

Optical secondary module (the OSA of alleged fiber optical transceiver in photoelectricity transmission, OpticalSub-Assembly), be that the transmitter optical secondary module (TOSA) of functional module to optical fiber is provided, arrive optical fiber as semiconductor laser, or light emitting diode is to optical fiber, and reverse optical fiber makes electric signal (Electrical Signal) be converted to light and focus in the optical fiber and transmit, or reverse light converts electric signal to the structure of the transceiver optical secondary module (ROSA) of photodetector; And wherein, the transmission-receiving function assembly has various Different Package kenels again, TO-Can kenel as flat glass, or the TO-Can kenel of oblique glass, or epoxy resin (EPOXY) packing kenel, and wherein the assembling of transmission-receiving function assembly in optical secondary module is fixing also has several different methods to reach, wherein as utilizing radiation frequency (RF, Radio Frequency) that glue is heated and being a kind of common method in conjunction with the person.

Again, optical secondary module is researched and developed so far, and existing multiple different manufacturing forming technique and structural design wherein, are made in the forming technique and utilized transparent heat molding material and mat plastics ejection forming technique, more because of cost lower oneself become the main flow of manufacturing.And structural different designs, include: as shown in Figure 1, be U.S.Pat.No.5,631, the structural design of 991 " PLASTIC OPTICAL SUBASSEMBLIES FOR LIGHT TRANSFER BETWEEN ANOPTICAL FIBER AND AN OPTOELECTRIC CONVERTER AND THE FABRICATION OF SUCHPLASTIC OPTICAL SUBASSEMBLIES ", its optical secondary module A1 utilizes an integrated shell body (housing) A2, and the two ends of shell body A2 are provided with the inserting hole of different stopping surfaces (stopface) with one, for plugging transmission-receiving function assembly A3 and optical fiber head A4 respectively, inside then is installed with together lens (lens) A5 of Z axle (beam direction), and the whole volume of timber that is constituted is bigger; And for example shown in Figure 2, be U.S.Pat.No.6,432, the structural design of 733B1 " METHOD FOR PRODUCING AN OPTICAL MODULE ", its optical secondary module B1 also utilizes an integrated shell body (housing) B2, and the two ends of shell body B2 are provided with the inserting hole of different stopping surfaces (stop face) with one, for plugging transmission-receiving function assembly B3 and optical fiber head B4 respectively, inside then is installed with the together lens combination B5 of Z axle (beam direction), and itself and U.S.Pat.No.5,631,991 main difference persons be the lens combination B5 that is this model be by with two folder B6 of spherical mirror (spherical lens) B7 Different Individual in insert and put a spherical mirror (sphericallens) B7 and constitute, different with lens (lens) A5 with the monolithic entity formula, and the whole volume of timber is also bigger; Again as shown in Figure 3, be U.S.Pat.No.6,302, the structural design of 596B1 " SMALL FORM FACTOR OPTOELECTRICTRANSCEIVERS ", its optics module C1 that determines also utilizes an integrated shell body (housing) C2, and the two ends of shell body C2 are the inserting holes that are provided with different stopping surfaces (stop face) with one, for plugging transmission-receiving function assembly C3 and optical fiber head C4 respectively, inside then is to be provided with the together lens C5 of Z axle (beam direction) with one, and its principal character place is lens C5 and shell body C2 is same ejection formation body, and causing the whole volume of timber can effectively dwindle.And the structural design of above-mentioned known each optical secondary module can produce following shortcoming when reality is made:

1, the shell body of each optical secondary module, comprise shell body (housing) A2, B2, C2 etc. are all same monomer structure, promptly two ends are provided with simultaneously for plugging two inserting holes that optical fiber head and functional module are used on same shell body, a lens face that causes lens is behind an alcove (a well or recess), must support the openend of optical fiber head inserting hole again through the length distance beginning of optical fiber head inserting hole, make this lens face outside form a dark blind hole structure, the degree of difficulty of offering this mould is improved, and be difficult to effectively control the moulding quality of this lens face, have influence on the adjustment quality of optical secondary module, and cause the difficulty of mass production processing procedure and cost to improve relatively.

2, shell body is one-body molded body, because it is dark excessively that the openend of optical fiber head inserting hole connects to the blind hole of lens face, can't effectively check the moulding quality of this lens face, cause the degree of difficulty that increases follow-up assembling operation, real-time adjustment when assembling as functional module etc. improve manufacturing cost relatively.

3, at the check of optical secondary module quality of finished, no matter the structure that is functional module to optical fiber (TOSA) or reverse optical fiber to photodetector (ROSA), when being contained in the transmission-receiving function component groups on the shell body, it is the X--Y position of real-time adjusting function assembly, but owing to connect to the blind hole of lens face dark excessively, utilize existing detecting instrument real be difficult to bring in by the opening of optical fiber head inserting hole carry out real-time adjustment operation, detect effectively and accurately and can't reach, and easily cause the unreal and error rate raising of QC.

4, if can't help the direct inwardly in real time adjusting function assembly of openend of optical fiber head inserting hole, then can change the detection of inserting optical fiber head and doing coupling efficiency again by optical fiber end in addition, the change of right so detection operation is because of increasing, as the quality of finished that detects with optical fiber head all has certain tolerance to exist, or the emissive power of the quality of functional module such as laser diode is that non-perseverance remains unchanged, in the error that all causes optical secondary module finished product detection quality, and may thereby cause the potentiality bad quality, then utilize these to become because of detecting as standard, the error range of finished product is strengthened, cause the qualified finished product in detection back the quality condition of poor when the user plants with other optical fiber head use, but to occur, quality of finished can't be grasped really, cause fraction defective to improve relatively.

Summary of the invention

Fundamental purpose of the present utility model be at above-mentioned known optical secondary module on structural design shortcoming and improved, a kind of optical secondary block structure of fiber optical transceiver is provided, it is to utilize plastics ejection formation or metal car spare technology, originally the shell (Housing) that was same monomer structure is divided into two respectively moulding and structure bodies that can corresponding combination, comprise a shell body and the cramping body for plant lens and functional module for the plant optical fiber head, make when assembling, after lens are inserted the cramping body assembling, can do with functional module earlier and aim at contraposition, to form the combination of oneself calibration earlier, after be assembled with shell body again, and the separate type of mat shell body and cramping body design, make towards the lens face of the first end of optical fiber and form the shallow bore hole structure, do the calibration program of aiming at contraposition, use the checkability and the finished product yield of effective lifting combination and can simplify functional module, reduce cost and can reach, improve quality, be easy to mass production, and the multi-efficiency that easily combines with the functional module encapsulation.

A purpose more of the present utility model is the optical secondary block structure that a kind of fiber optical transceiver will be provided, utilizing shell body and cramping body is two respectively moulding and structural designs that can corresponding combination, make the phacoid of can arrange in pairs or groups spherical mirror or aspheric mirror, and simple and easyly be assembled into joints of optical fibre, semiconductor laser, light emitting diode or photodetector for can arrange in pairs or groups different size, Different Package pattern, and become the optical secondary module of a fiber optical transceiver, using provides optical secondary module in the variation of making elasticity and more multiple pattern bigger in the assembling.

Another purpose of the present utility model is the optical secondary block structure that a kind of fiber optical transceiver will be provided, it is on the inner bottom part of the mating holes that supplies plant lens and functional module on the cramping body, the discharging groove of one ball radian can be set, can simple and easy aligning contraposition when making lens for spherical mirror on this discharging groove, and the simple and easy assembling operation of finishing lens and cramping body.

Above-mentioned purpose of the present utility model is achieved in that

A kind of optical secondary block structure of fiber optical transceiver is provided, comprise a shell body that is connected with optical fiber, a cramping body, a phacoid and a functional module, and by the difference of functional module, and have semiconductor laser to optical fiber, or light emitting diode is to optical fiber, or reverse optical fiber is characterized in that to different fiber optical transceiver functions such as photodetectors:

This shell body, the one end is provided with an inserting hole for the plant optical fiber head, the other end is provided with the first bigger mating holes of a caliber and is assembled into one for inserting this cramping body, be provided with one first stopping surface in this first mating holes, on this first stopping surface, be provided with the second less mating holes of a caliber again, the caliber of this second mating holes is greater than inserting hole, and thereby form second stopping surface, and this inserting hole, first mating holes and second mating holes are different inner diameters but with the perforation structure of Z axle;

This cramping body, its profile matches with first mating holes of this shell body and the shape of second mating holes, be provided with first section sleeve pipe and second section sleeve pipe with the Z axle, and the end face that makes this first section sleeve pipe fits on second stopping surface of this shell body, making can become optical fiber head and be inserted in stopping surface in this inserting hole, and this first section sleeve pipe is provided with a central perforation; Be provided with a mating holes in this second section sleeve pipe for inserting this functional module and aiming at contraposition and fix; This phacoid is to be placed on the inner bottom part of this mating holes;

This phacoid can be a spherical mirror or aspheric mirror, is to aim at contraposition and the mating holes inner bottom part place of being fixed in cramping body;

This functional module is interior use of mating holes of being inserted in this cramping body;

By above-mentioned structure, its assembled relation is: these lens are inserted assembling in this cramping body, and do with functional module and to aim at contraposition, form the combination of oneself calibration quality, and this combination is assembled with this shell body, and constitutes an optical secondary module.And

This shell body can be a plastics ejection formation body.

This cramping body can be a plastics ejection formation body.

This shell body can be a metal car spare.

This cramping body can be a metal car spare.

This functional module can be the function element of flat glass TO-Can packing, comprises a TO-Can main body, a flat glass and a chip, and this chip can be laser or light emitting diode or photodetector.

Coating film treatment need be done in the surface of this flat glass.

This functional module can be oblique glass TO-Can packing, comprises a TO-Can main body, an oblique glass and a laser chip.

This functional module can be the epoxy resin packing, comprise the main body and the chip of epoxy resin packing, and this chip can be laser or light emitting diode.

For on the inner bottom part of mating holes of inserting phacoid, Z axle together can be set and have the discharging groove of ball radian on this cramping body, can simple and easy aligning contraposition when making phacoid for spherical mirror on this discharging groove.

For the inner bottom part place of mating holes of inserting phacoid one packing ring can be set on this cramping body, but make an aspheric mirror mat exterior rim and be placed in the internal diameter of this packing ring.

Above-mentioned purpose of the present utility model also can realize like this:

A kind of shell structure of optical secondary module of fiber optical transceiver is provided, comprises a shell body and a cramping body, it is characterized in that:

This shell body, the one end is provided with an inserting hole for the plant optical fiber head, the other end is provided with the first bigger mating holes of a caliber and is combined into one for inserting this cramping body, and be provided with one first stopping surface in this first mating holes, on first stopping surface, be provided with the second less mating holes of a caliber again, and the caliber of this second mating holes is greater than this inserting hole, and thereby form second stopping surface, and this inserting hole, first mating holes and second mating holes are different inner diameters but with the perforation structure of Z axle;

This cramping body, be a plastics ejection formation body or metal car spare, its profile matches with first mating holes of this shell body and the shape of second mating holes, be provided with first section sleeve pipe and second section sleeve pipe with the Z axle, and the end face that makes first section sleeve pipe fits on second stopping surface of this shell body, constitute optical fiber head and be inserted in the interior stopping surface of this inserting hole, on first section sleeve pipe, be provided with a central perforation; Be provided with a mating holes in second section sleeve pipe for inserting functional module and aim at contraposition and fix, but holding one phacoid on the inner bottom part of this mating holes.

Advantage of the present utility model and good effect will narrations in conjunction with the embodiments in following " embodiment " joint.

Description of drawings

The structural profile synoptic diagram of the known a kind of optical secondary module of Fig. 1.

The structural profile synoptic diagram of the known another kind of optical secondary module of Fig. 2.

The structural profile synoptic diagram of known another optical secondary module of Fig. 3.

Be unkitted the decomposition diagrammatic cross-section of functional module in Fig. 4 the utility model structure.

Fig. 5 is the combination diagrammatic cross-section of Fig. 4 (installing optical fiber head and functional module additional).

Fig. 6 the utility model aspheric mirror synoptic diagram.

The structural profile synoptic diagram of the TO-Can functional module of the flat glass of Fig. 7 the utility model.

Fig. 8 the utility model is assembled the structural profile synoptic diagram behind the flat glass TO-Can functional module.

The structural profile synoptic diagram of the TO-Can functional module of the oblique glass of Fig. 9 the utility model.

Figure 10 the utility model is assembled the structural profile synoptic diagram behind the TO-Can functional module of oblique glass.

The structural profile synoptic diagram of Figure 11 the utility model EPOXY packing pattern functional module.

Structural profile synoptic diagram behind Figure 12 the utility model assembling EPOXY packing pattern functional module.Piece number simple declaration: (commonly using part)

A1 optical secondary module A2 shell body

A3 functional module A4 optical fiber head

A5 lens B1 optical secondary module

B2 shell body B3 functional module

B4 optical fiber head B5 lens combination

B6 folder B7 spherical mirror

C1 optical secondary module C2 shell body

C3 functional module C4 optical fiber head

C5 lens (the utility model part)

1 optical secondary module, 10 shell bodies

11 inserting holes, 12 first mating holess

13 first stopping surfaces, 14 second mating holess

15 second stopping surfaces, 20 cramping bodies

22 second sections sleeve pipes of 21 first sections sleeve pipes

24 perforation of 23 end faces

25 mating holess, 26 discharging grooves

27 packing rings, 28 endoporus

30 phacoid 30a, 30b spherical mirror

40 functional modules, 41 main bodys

42 flat glass 43 chips

44TO-Can main body 45 oblique glass

46 laser chips, 47 main bodys

48 chip 40a, 40b, 40c, functional module

50 optical fiber heads

Embodiment

For making the utility model clear and definite more full and accurate, conjunction with figs. describes structure of the present utility model and technical characterictic thereof as the back in detail now:

As Fig. 4, shown in 5, the optical secondary module 1 of fiber optical transceiver of the present utility model, comprise a shell body that is connected with optical fiber (Housing) 10, one cramping body (Holder) 20, one phacoid (Len8) 30 and a functional module 40, and by the difference of functional module 40, and have semiconductor laser to optical fiber, or light emitting diode is to optical fiber, or reverse optical fiber is to different fiber optical transceiver (Transceiver) functions such as photodetectors, wherein, this shell body 10 and cramping body 20 can be plastics ejection formation body or metal car spare, are two respectively moulding but structure bodies that can corresponding combination.

An end of shell body 10 is provided with an inserting hole 11 again, for plant optical fiber head 50, and be not provided with the stopping surface (Stop Face) of optical fiber head 50 in the inserting hole 11, shell body 10 other ends then are provided with the first bigger mating holes 12 of a caliber and are combined into one for inserting cramping body 20, and be provided with one first stopping surface 13 in first mating holes 12, on first stopping surface 13, be provided with the second less mating holes 14 of a caliber again, and the caliber of second mating holes 14 is greater than inserting hole 11, and thereby form second stopping surface 15, and inserting hole 11, second mating holes 14 and first mating holes 12 are with Z axle (beam direction) but the perforation structure of different inner diameters.

And cramping body 20 is formed bodys that match with second mating holes 14 and first mating holes, 12 shapes of shell body 10, be provided with first section sleeve pipe 21 and second section sleeve pipe 22 with the Z axle, during combination, cramping body 20 can be inserted in first mating holes 12, and the end face 23 that makes first section sleeve pipe 21 fits on second stopping surface 15 in second mating holes 14, using can become optical fiber head 50 and be inserted in stopping surface (Stop Face) in the inserting hole 11, and first section sleeve pipe 21 is provided with a central perforation 24; And be provided with a mating holes 25 in second section sleeve pipe 22 for inserting functional module 40 (as Fig. 7) and aiming at contraposition and glue together fixing.Again on the inner bottom part of the mating holes 25 of cramping body 20, Z axle together can be set and have the discharging groove 26 of ball radian, can simple and easy aligning contraposition when making phacoid 30 for spherical mirror 30a on this discharging groove 26, and the simple and easy assembling operation of lens 30a in the mating holes 25 of cramping body 20 of finishing, as shown in Figure 5.

Phacoid 30 is to aim at contraposition and the inner bottom part place of being fixed in the mating holes 25 of cramping body 20 again, can optionally select spherical mirror 30a or aspheric mirror 30b (as shown in Figure 6), and when phacoid 30 is spherical mirror 30a, can utilize the discharging groove 26 on the inner bottom part of mating holes 25, with the simple and easy aligning contraposition of spherical mirror 30a on this discharging groove 26; And when phacoid 30 is aspheric mirror 30b, can directly utilize the exterior rim of this aspheric mirror 30b and cooperating of mating holes 25 internal diameters, and aim at contraposition and be fixed on the inner bottom part place of mating holes 25, perhaps set up a packing ring (spacer) 27 to dwindle the internal diameter at mating holes 25 nearly inner bottom part places in mating holes 25 nearly inner bottom part places, and form an endoporus 28, the exterior rim of this aspheric mirror 30b can be cooperated with the endoporus 28 of this less internal diameter, and still aim at contraposition and be fixed on the nearly inner bottom part place of mating holes 25.And above-mentioned discharging groove 26 or packing ring (spacer) 27 etc. be with cramping body 20 with one-body molded, and do not influence the manufacturing moulding of cramping body 20, and can provide optical secondary module making bigger elasticity in the assembling.

And functional module 40 is mating holes 25 interior uses of being inserted in cramping body 20, it has different assembling kenel and function, generally be with a photoelectric chip (optoelectronic chips), as laser (transmitter) or detecting device (receiver), be contained in a suitably big or small metal " TO " jar interior (or being called TO-Can), penetrate for light and offer a window, use sealing up chip fully in the TO-Can front end; And as shown in Figure 7, TO-Can packing for functional module 40a, comprise TO-Can main body 41, flat glass 42 and chip 43, this chip 43 can be laser, light emitting diode or photodetector, and need do coating film treatment on the surface of flat glass 42, do antireflection plated film or high reflection plated film according to the demand of product; Again as shown in Figure 9, the oblique glass TO-Can packing for functional module 40b comprises TO-Can main body 44, tiltedly glass 45 and laser chip 46; Again as shown in figure 11, be epoxy resin (EPOXY) packing of functional module 40c, this kind packing cost is competitive superiority more, comprises the main body 47 and the chip 48 of epoxy resin packing, and this chip 48 can be laser or light emitting diode.

And the utility model is by 20 two of shell body 10 and cramping bodies moulding but structural design that can corresponding combination respectively, make assembling processing procedure of the present utility model not only be different from the person of commonly using and have effect and promote, it is after lens 30 are inserted the mating holes 25 interior assemblings of cramping body 20, can be earlier do with functional module 40 again and aims at contraposition and gummed is fixing, insert the interior assembling position of mating holes 25 of cramping body 20 as each functional module 40a, 40b, 40c among Fig. 8,10,12; And owing to central perforation 24 on the cramping body 20 is a shallow bore hole structure, can utilize detecting instrument to aim at the contraposition operation by the openend of central perforation 24, and needn't must can detect by optical fiber end by the plant beginning of optical fiber head as the person of commonly using, make the aligning contraposition operation of functional module 40 in mating holes 25 be able to simple and easy accurate again; And the physical efficiency that combines of functional module 40 and cramping body 20 assembles in advance and finishes, and detects the influence of the quality precision of finishing indivedual qualities of optical fiber head that adopt when also not examined, has preferable quality of finished so the comparable person of commonly using carries out the tester by optical fiber end.Functional module 40 and (one section is X-Y and the adjustment of Z axle) after cramping body 20 is aimed at contraposition again generally are to use glue that functional module 40 is combined with cramping body 20 and locate (as heat the colloid of having laid between the two with RF) and become a combination; Again this combination is combined assembling operation with shell body 10 at last, be that cramping body 20 is inserted in the mating holes 12 of shell body 10, and the end face 23 that makes 20 first sections sleeve pipes 21 of cramping body fits on second stopping surface 15 in the mating holes 12, and makes end face 23 form the stopping surface of optical fiber heads 50.And the utility model utilizes functional module 40 assemblies of three kinds of different types, can make the optical secondary module TOSA (Transmitter Optical Sub-Assemble) and the ROSA (Receiver Optical Sub-Assemble) of fiber optical transceiver, shown in Fig. 8,10,12.

The utility model makes the utility model have following advantage and good effect at least by above-mentioned structural design and assembling processing procedure:

1, because shell body 10 and cramping body 20 are individual for two separation of making respectively, can avoid the difficulty (shell body 10 and cramping body 20 can be plastics ejection formation or metal car spare) of the plastics jetting mold of known single formed body, and can improve its formed precision;

2, because shell body 10 and cramping body 20 are separate type, make the same integrative-structure of the inserting hole 11 of optical fiber head 50 to non-between the lens face of phacoid 30 as known person, cause and to utilize detecting instrument to aim at the contraposition operation by the openend of shallow perforation 24, check when making functional module 40 with cramping body 20 assembling operations is more simple and easy accurate again, and the yield of effective enhanced feature assembly 40 and cramping body 20 combinations or whole optical secondary module finished product;

3, before cramping body 20 and shell body 10 combinations are in aggregates, even functional module 40 aims at contraposition with cramping body 20 and assembling is fixing in advance, and needn't must can detect by optical fiber end by the plant beginning of optical fiber head as the person of commonly using, make the aligning contraposition operation of functional module 40 in mating holes 25 be able to simple and easy accurate again, and the influence of the indivedual qualities of optical fiber head that adopt when the quality precision that detection is finished is also not examined, so the comparable person of commonly using has preferable quality of finished, and help reducing cost and mass production, to increase product competitiveness.

In sum, the utility model " the optical secondary block structure of fiber optical transceiver ", really can reach desired effect by above-mentioned disclosed structure, and not see the also unexposed use of publication before the utility model application, really meet the important documents such as novelty, progress of patent.

Above-mentioned disclosed graphic and explanation only is embodiment of the present utility model, and is non-for limiting embodiment of the present utility model; Generally be familiar with the personage of this skill, it complies with other equivalence variation or modification that feature category of the present utility model is done, all should be encompassed in the claim of this case.

Claims (12)

1, a kind of optical secondary block structure of fiber optical transceiver, comprise a shell body that is connected with optical fiber, a cramping body, a phacoid and a functional module, and by the difference of functional module, and have semiconductor laser to optical fiber, or light emitting diode is to optical fiber, or reverse optical fiber is characterized in that to different fiber optical transceiver functions such as photodetectors:

This shell body, the one end is provided with an inserting hole for the plant optical fiber head, the other end is provided with the first bigger mating holes of a caliber and is assembled into one for inserting this cramping body, be provided with one first stopping surface in this first mating holes, on this first stopping surface, be provided with the second less mating holes of a caliber again, the caliber of this second mating holes is greater than inserting hole, and thereby form second stopping surface, and this inserting hole, first mating holes and second mating holes are different inner diameters but with the perforation structure of Z axle;

This cramping body, its profile matches with first mating holes of this shell body and the shape of second mating holes, be provided with first section sleeve pipe and second section sleeve pipe with the Z axle, and the end face that makes this first section sleeve pipe fits on second stopping surface of this shell body, making can become optical fiber head and be inserted in stopping surface in this inserting hole, and this first section sleeve pipe is provided with a central perforation; Be provided with a mating holes in this second section sleeve pipe for inserting this functional module and aiming at contraposition and fix; This phacoid is to be placed on the inner bottom part of this mating holes;

This phacoid can be a spherical mirror or aspheric mirror, is to aim at contraposition and the mating holes inner bottom part place of being fixed in cramping body;

This functional module is interior use of mating holes of being inserted in this cramping body;

By above-mentioned structure, its assembled relation is: these lens are to insert assembling in this cramping body, and aim at contraposition with functional module, form the combination of a calibration quality, this combination and the assembling of this shell body, and constitute an optical secondary module.

2, the optical secondary block structure of fiber optical transceiver according to claim 1 is characterized in that this shell body can be a plastics ejection formation body.

3, the optical secondary block structure of fiber optical transceiver according to claim 1 is characterized in that this cramping body can be a plastics ejection formation body.

4, the optical secondary block structure of fiber optical transceiver according to claim 1 is characterized in that this shell body can be a metal car spare.

5, the optical secondary block structure of fiber optical transceiver according to claim 1 is characterized in that this cramping body can be a metal car spare.

6, the optical secondary block structure of fiber optical transceiver according to claim 1, it is characterized in that this functional module can be the function element of flat glass TO-Can packing, comprises a TO-Can main body, an one flat glass and a chip, and this chip can be laser or light emitting diode or photodetector.

7, as the optical secondary block structure of fiber optical transceiver as described in the claim 6, it is characterized in that coating film treatment need be done in the surface of this flat glass.

8, the optical secondary block structure of fiber optical transceiver according to claim 1 is characterized in that, this functional module can be oblique glass TO-Can packing, comprises a TO-Can main body, an oblique glass and a laser chip.

9, the optical secondary block structure of fiber optical transceiver according to claim 1 is characterized in that, this functional module can be the epoxy resin packing, comprise the main body and the chip of epoxy resin packing, and this chip can be laser or light emitting diode.

10, the optical secondary block structure of fiber optical transceiver according to claim 1 is characterized in that, on the inner bottom part for the mating holes of inserting phacoid on this cramping body, Z axle together can be set and have the discharging groove of ball radian.

11, the optical secondary block structure of fiber optical transceiver according to claim 1 is characterized in that, the inner bottom part place for the mating holes of inserting phacoid on this cramping body can be provided with a packing ring, but makes an aspheric mirror mat exterior rim and be placed in the internal diameter of this packing ring.

12, a kind of shell structure of optical secondary module of fiber optical transceiver comprises a shell body and a cramping body, it is characterized in that:

This shell body, the one end is provided with an inserting hole for the plant optical fiber head, the other end is provided with the first bigger mating holes of a caliber and is combined into one for inserting this cramping body, and be provided with one first stopping surface in this first mating holes, on first stopping surface, be provided with the second less mating holes of a caliber again, and the caliber of this second mating holes is greater than this inserting hole, and thereby form second stopping surface, and this inserting hole, first mating holes and second mating holes are different inner diameters but with the perforation structure of Z axle;

This cramping body, be a plastics ejection formation body or metal car spare, its profile matches with first mating holes of this shell body and the shape of second mating holes, be provided with first section sleeve pipe and second section sleeve pipe with the Z axle, and the end face that makes first section sleeve pipe fits on second stopping surface of this shell body, constitute optical fiber head and be inserted in the interior stopping surface of this inserting hole, on first section sleeve pipe, be provided with a central perforation; Be provided with a mating holes in second section sleeve pipe for inserting functional module and aim at contraposition and fix, but holding one phacoid on the inner bottom part of this mating holes.

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