TWM257092U - Skived-fin type heat radiator - Google Patents

Abstract

A skived-fin annular heat sink is manufactured via a skived-fin technology and includes at least one bottom board and a plurality of fins. The at least one bottom board is bended to form a closed-shaped. The fins are extended outwardly from the at least one bottom board, wherein each of the fins has a bending portion for connecting the fin with the bottom board. Hence the skived-fin annular heat sink can be adapted to a chip of PCB with over limited space, and can used to increase the number of fins for increasing the heat-dissipating area between the chip and the heat sink.

Description

M257092

Number 932Q71QQ

、 Creation of creation (1) The technical field of the new type] Supply: :: f :: a kind of shovel-type ring radiator, especially-a kind of shovel = day, day, and month underheating and the application of shovel (planing) cutting technology ( skived—fin te “n0i0gy” sharply cuts the fins and forms a circular upright radiator. Previous technology] As the density of motion increases, the wafers in information products are in the negative range. The temperature exceeds the yoke range that it can bear, especially if the central processing unit chip = ， increases, if the heat generated by it is equal to zero component loss or even the host interruption. The political ... Cooling problem, install-a heat sink with a plurality of heat transfer blades, stubborn two: top: add an upright rectangular or circular ring. Each has its own ^: It can be roughly divided into multiple applications on the chip * space i limit Circuit board: The use of: round J is the previous technology for manufacturing circular heat sinks, Shi Erru, I face card. About (heart ...), forging ⑹㈣ :) pass; 2 = molding, powder Forming, or die-casting, but its thickness), mechanical addition, its thickness can not reach M = = increase rate It has a technical bottleneck. The most popular extrusion radiator is taken as an example. It is melted and extruded to form two, two, and three materials. The finished product of the previous technology is the first -The figure and the second figure: there is a shape of η plane. First, there is a circular cylindrical portion 91 and a plurality of ones: Xi: J: Zhisan M257092 Case No. 93 ^ 1 oq Creative Instructions (2) Year, month, and month revised ^ ^ There is a thermally conductive block 9 3 in the middle to abut the crystal moon 2 $ 二二二 = 器 9 The material properties are mostly high The characteristics of heat conduction, so when the day of the animal = ^ degree rises, the heat sink g quickly absorbs the heat of the chip by the heat conduction effect] The heat is transferred to the surrounding air by a plurality of extended heat dissipation fins 9 ^ #The heat is dissipated to the outside world by the thermal convection effect of air. This type of extrusion method is the most economical, but the disadvantage of this method is that its heat sink f must have a certain thickness and spacing and cannot be too dense ', which is often insufficient ^ To cope with the heat dissipation speed of higher power chips, it cannot provide effective heat dissipation function. The maximum number of heat dissipation fins is Limited to j 00 to 120, so there is a ring heat sink 9a as shown in the second figure, which has a plurality of thicker I root fins 9 5 outward from the circular cylindrical portion 9 4 Extending, each root fin 5 then tf branches out a pair of extending fins 9 6, thereby increasing the number of fins 9 6 | to increase the heat dissipation area. However, the total number of the root fins 9 5 is still subject to extrusion molding Limitation, the number of all extended fins is difficult to exceed 丨 2 〇 There is another manufacturing method in the prior art, a few thin heat sink fins are assembled on the base plate by bonding or welding (soi dering) Although this method effectively increases the number of heat sinks to increase the heat dissipation area of the heat sink, the thermal conductivity of the heat sink is significantly affected by the direct connection between the bottom plate of the heat sink and the heat sink. Therefore, it can be seen from the above that the above-mentioned conventional ring radiator has obvious inconveniences and defects in practical use, and needs to be improved. The reason is that the author feels that the above-mentioned shortcomings can be improved. He has devoted himself to research and cooperated with the application of theories to finally propose a reasonable design and effective improvement.

Page 6 M257092 _Case No. 932Q7199_Year Month and Day__ IV. Creation Instructions (3) [New Content] The main purpose of this creation is to provide a spade ring heat sink, which can increase the number of fins to increase the heat dissipation area. With good thermal conductivity, it is especially suitable for circuit boards with limited space above the chip. In order to achieve the above purpose, a spade ring radiator of this creation is made by skived-fi η ΐ ech η ο 1 〇gy, including at least one bent metal base plate, It is closed and surrounded; and a plurality of radiating fins formed by cutting extend outward from the bottom plate, wherein the bottom of each radiating fin is connected to the bottom plate with a slight bend. The preferred embodiments of this creation are described in detail below with reference to the drawings, but these descriptions are only used to describe this creation, not to limit any scope of rights of this creation. [Embodiment] Please refer to the third picture, which is a schematic diagram of the process of cutting the film in this creation. The shovel-type ring radiator $ The thermal binding of this creation is then followed by the ring-shaped scatter made by ski ved-fin techno logy. The shovel or fin-cut technology is currently used for all heat dissipation circles ..., ° Shovel and the best technology. In the shovel manufacturing process, the most advanced calculation is first taken in-flat 1 & a predetermined angle is taken to fix the workpiece 1 in-fixture = workpiece 1 punch, milling machine, planer or special machinery, such as precision 二 = two upper; then ( CNC), using a shovel (planer) knife 3 to plan the front end of a sharp-edged milling machine; then work piece 1 is repeatedly planed to form flaky scales, and the heart is broken. The fins 1 1 use the method of winter '1 1 without shaving w §

Page 7 Wudou Lihe Industry and Engineering Co., Ltd. M257092 Date of Amendment _Case No. 93207] g £ Fourth, creation instructions (4) Piece 1 is vertical and sub-shaped and forms a connected curved portion 1 1 2 Connects the workpiece 1 and fins Slice 1 1. Since it is integrally formed without any joints, there is no interface or thermal resistance problem between the fins and the pieces. Firstly, please refer to “f. Figure 4”, which is not intended to be a heat sink in this creation. The workpiece 1 obtained by the shovel manufacturing process has a plurality of fins 1 1 which are extremely thin and have a small pitch, and are each connected to the lower half of the workpiece 1 by a curved portion 1 12. After cutting the last tail section i 3 of the workpiece 1, the workpiece 1 is cut according to the length of the embodiment, and then the workpiece 1 is bent by a bending jig. Μ is the cutting device 4 of this creative drawing, along the fifth figure 6 to the cut-type annular diffuser #, and the N-shaped erected radiator 4 of the shovel-shaped annular 6-section line. Extremely thin

This work 1 is viewed through the fourth A diagram and is a front view. The workpiece 1 is held at an angle that is connected diagonally with a horizontal blade vertical 1 a. The workpiece 1 is determined to be right. The workpiece 1 is slanted to an oblique to a through chip, and another shovel angle radiator. The advantages are obtained by scooping in the above-mentioned embodiment of the present invention. Please refer to the cutting process 2 of the other embodiment of the cutting process, the blade 3 is still dimensioned. In this way, the angle between the plurality of fins 1, the fins 1 1 a and the workpiece 1 on the jig 2 is obtained. With 2 ′, the fin 1 1 a is also the workpiece 1 and the fin 1 1 a where the fin 1 1 a will be slightly inclined to the spirally arranged cooling fins. The paragraph will be described. Please refer to the fifth and sixth figures for a top view of the preferred embodiment of the heat sink. The preferred embodiment of the present invention is dome-shaped to form a closed circular circle. The workpiece shovel placed on the jig is placed obliquely on the ground to scrape the workpiece on the workpiece 1. The swing angle Θ of the workpiece 1 is placed at the treatment angle Θ connected to the upper side of the workpiece 1. Roll this tool into a ring with additional M257092 correction

Case No. 932071 qo Fourth, the heat dissipation fins 4 4 of the creation description (5) are made by the bottom plate 4 2 of the bending part, and form a connection ~ connected to the ring-shaped process. The above-mentioned shovel and bend radiators increase the size of the diffuser surface: the heat exchanger 4 is more unloaded than the previous various types of rings, and has a large number of intermediately disposed heat sinks埶 & 5 At 6 ’, the heat is conducted to the spade ring heat sink = abut the chip. See Figure 5A for a side view of the original ring heat sink. This creation is based on the shovel obtained from the fourth image of the younger brother. The ring is scattered. The original: two according to the obliquely arranged scattered demon, film 44 as shown in Figure I. The ring radiator 4 'has an upwardly inclined angle. It is mentioned that the heat-dissipating fin "is located below the fins and is located on the η of the chip, and the size of the car is large, and the space flowing through it flows into the ring-shaped diffuser: cry 4 for more smooth air flow from the outside rr said near the wafer under the upper 4; or resident: capture, the Korean film with the airflow inclined will form a downward downward air: it is generated around the chip, which can effectively improve the vertical downward heat dissipation effect. In the case of 'therefore, there is a better 埶. Af outside' this creation can also form a spiral ring like the fifth B figure ..., m 4 has heat dissipation fins 4 4 diagonally on the same side ". This step in Fig. 4A provides a parallelogram-shaped workpiece. ，，，， = See the sixth AH ′ is a cross-sectional view of another embodiment of the ring-shaped radiator fish guide of the creation: ί: 1. This creation can provide-a cone-shaped, V ..., block 5, in addition, the ring-shaped heat sink 4 forms a J-shaped space with a cone-shaped, thereby the ring-shaped heat sink 4 'is easy to connect with the heat-conducting block 5 "group an · Page 9 M257092

_Case No. 93207199 IV. Creative Instructions (6) The spade ring heat sink 4 a has a bottom edge 5 2 plate 4 2 a extending outwards, thereby increasing the area of the heat sink 4 a. The production process of this creation is not limited to copper alloys. In this preferred form, of course, it is also possible to scrape the ring-shaped heat sink 4 a with different shapes of fins connected to the base plate 4 and different cross-sectional shapes. For example, the material of the ring radiator is made of a material or an alloy, and the heat dissipation fin is limited to a rectangle in the embodiment. As in the second embodiment of the seventh device, a bottom plate 4 2 a and a complex 2 a are viewed. This is more advantageous as long as the cutting process, for example, cutting a longitudinally-shaped trapezoidal fin 4 may be fan-shaped, Or the arc shape, because the shape of copper or 4 4 is conveniently shown by the use of a shovel, which is shown in the moment diagram. This is the original drawing. The shovel-type annular number of trapezoidal fins 4 4 emits heat. As mentioned above, the workpiece 1 is first cut into a two-dimensional material, and then reaches 4a. So its shape and so on. The middle heat-conducting block 5 a may also be a, which is abutting on the radiator, and the bottom block 5 a is conducted to the spade ring. Refer to the top plan view. Bend to form one or two phases. This is based on the combined title of the two original creations. The circular cutter is made of a closed piece that can be bent. In this case, the cutting process can be cut in two and a half. The solid ring is surrounded by two bottom hot fins. In the case of a ring-shaped work piece, the heater 4 b and the plate 4 2 b 4 4b in the embodiment of the circular spade type can also be used. . From the above, the third heater which is bent by the connection group 1 is shown by two pieces of annular heat sinks, which are assembled by heat dissipation. Each base plate and the pair of base plates 4 are learned. And M257092, creation description (7) piece 1 is connected to each other and then can be easily connected by connecting parts, for example, a connecting piece 7 b with a clamping function can be set at the connecting seam 4 6 b to join two semicircles Shovel 丨 丨 Rong Shehua ίβ β, mountain. ~ Π,, work with each other, > —— " shame ~ 仟 set 疋 丫 b at the connection seam 4 0 D / yes, to sandwich two f circles The tail end of the spade ring radiator 4b can be fixed; or it can be combined by riveting the heat sink fins; or it can be combined by welding. Example Referring again to the ninth figure, it is a plan view of the fourth example f of the spade ring radiator of the present invention. The spade ring radiator of this creation may not be limited to a circular spheroid, or a rectangular ring radiator. As shown in the figure, the spade ring radiator 4 c in the embodiment has a closed rectangle. The base plate 42 includes a plurality of heat dissipation fins 44 C extending outward from the base plate 42. ：： It is also easier to bend the workpiece, and the middle guide 5c also saves area when the Japanese and Japanese films are in full contact. The creative characteristics and characteristics of this creation] Therefore, the use of this creation & amp 4 The achievement of this creation "; = the features and functions are organized as follows: no one is strong and strong, and the open-air heating device has more ultra-thin fins and gilts; the clothes and boards are different from previous ones. The ring radiator adds more heat dissipation area and has good heat conduction. Adding the scooping ring of this creation to 埒 f: effect. Gold, copper or copper alloys. The invention can be easily applied to the space above the aluminum or aluminum alloy chip. The heat sink is especially suitable for the interface. Usually, there are several pieces next to each other. ::::: This type of spade ring $, /, the space above the film is not only coupled with the wind shoulders, but also can lead to 埶; ;; can transfer heat to the side, if you summarize the above 'this creation; ρ ί 开. Apply. However, the requirements of the patents disclosed above are mentioned in accordance with the law. ^ Is this only the preferred embodiment of the creation? ----

M257092 _Case No. 932Q7199_ Year Month Amendment_ IV. Creation Instructions (8) Since this cannot be used to limit the scope of the right to this creation, the equal changes or modifications made in accordance with the scope of this creation application are still covered by this creation range. The reviewers are requested to take time to review and look forward to granting patents as soon as possible to encourage creativity.

Page 12 M257092 _Case No. 93207199_Year Month and Day__ Brief Description of the Drawings [Simplified Description of the Drawings] The first picture is a top view of an extruded ring radiator of a conventional technology. The second figure is a top view of an extruded ring radiator of another conventional technique. The third picture: This is a schematic diagram of the process of manufacturing heat dissipation fins by cutting technology in this creation. The fourth picture: is a schematic diagram of the heat sink fins made by applying cutting technology in this creation. Figure 4A: A top view of another embodiment of the work cutting process of this creation. The fifth figure is a plan view of a preferred embodiment of the spade ring radiator of the present invention. Fifth A: A side view of the scraped ring radiator obtained from Figure 4A for this creation. Fifth B: A side view of another embodiment of the 1-ring ring radiator produced in accordance with the fourth A in this creation. Fig. 6 is a sectional view of a preferred embodiment of the spade ring radiator of the present invention. FIG. 6A is a cross-sectional view of another embodiment of the combination of a spade ring radiator and a heat conduction block. The seventh figure is a cross-sectional view of the second embodiment of the spade ring radiator of the present invention. Figure 8: A top view of the third embodiment of the spade ring radiator of the present invention.

Page 13 M257092 Case No. 93207199 Modification Brief Description of the Drawings Figure 9 is a top view of the fourth embodiment of the spade ring radiator of this creation. Reference number in the drawing] Known] Ring heat sink 9, 9 a 9 1, 9 4 Cylindrical part 91 Heat conducting block 93 Extending fin 96 [This creation] Work piece 1 Fin 11 Tail section 13 Fixture 2 Shovel Knife 3 Radiating fins Root fins 2 a Curved ring-shaped ring radiators 4, 4, 4, 4 n, 4 a, Base plate 42 42M '' 4 2a ^ 42b, 42c Radiating fins 44 44,, 44 丨, 44a, 44b, joints 4 6, 4 6 b Bend 4 4 2 Heat block 5, 5? Λ [5a, 5 c Bottom edge 5 2 a 4 b 44c 4 c Wafer connector 6 7 b

Page 14

Claims (1)

M257092 _Case No. 93207199_ Year Month Date Amendment _ V. Patent application device, in which the bottom plate is provided with a thermally conductive block. 11. The spade ring heat sink according to item 10 of the scope of patent application, wherein the heat conducting block has a slightly trapezoidal cross section. 12. The spade ring heat sink according to item 1 of the scope of patent application, wherein the ring heat sink has heat dissipation fins arranged obliquely to the bottom plate, and the heat dissipation fins have an upwardly inclined angle. '1 3. The spade ring heat sink as described in item 1 of the scope of the patent application, wherein the ring heat sink has spirally arranged heat radiation fins. Page 16