CN103741148B - A kind of honeycomb fiber glass epoxy antenna metal metallization processes - Google Patents
A kind of honeycomb fiber glass epoxy antenna metal metallization processes Download PDFInfo
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Abstract
The invention discloses a kind of honeycomb fiber glass epoxy antenna metal metallization processes, include antenna surface and close modification → antenna pre-treatment, including oil removing roughening and modified closed material roughening → antenna metallization, metal film and the plating anti-post processing of thickening → metallic diaphragm three, such sequential process process is become including chemistry.Except having metal appearance after honeycomb sandwich construction fiber glass epoxy antenna metallization, also can have surface conductance, heat conduction, magnetic conduction, solvent resistant etch, resistance to light electrical performance indexes good, every meet Antenna Design requirement.Our antenna closes modification compared with conventional fiberglass nonmetallic materials metallization process, technological process is simple, without the special process equipment such as plasma or induced with laser, there is higher practicality, reliability, it is simple to the characteristic of the use that production and processing is promoted.
Description
Technical field
The present invention relates to fiber glass epoxy antenna, specifically relate to and there is honeycomb sandwich construction fiber glass epoxy antenna
Metallization process.
Background technology
Fiber glass epoxy is the five a kind of composites quickly grown during the last ten years, has superior performance, valency
Lattice ratio, is readily molded into the article shape of complexity.Higher environment drag, particularly its high-performance is with low
Density characteristics makes it have bigger advantage in a lot of applications than metal.Honeycomb fiber glass epoxy interlayer is tied
The comb core of structure can be made with multiple material, such as cellular thermoplastic, aluminum honeycomb, paper honeycomb etc..
Antenna is in radio transceiver system, to space radiation and from the metal dress of space reception electromagnetic wave
Put.But honeycomb sandwich construction expoxy glass Steel material is non-conductor electrically and thermally, it is impossible to realizes antenna and connects
Receive or interference signal, utilize the wave (98%) that fiberglass base material is excellent, do at metallization in appearance
Reason, then can be widely used for radome or antenna house.
Method for metallising for non-metallic substrate has at present: 1) the empty good conductor material such as AM aluminum metallization or silver；2)
Electroplate after multiple electrically-conducting paint；3) binding metal film；4) direct metalling；5) coat of metal on mould
Transfer method.Though above several method is suitable for the nonmetal such as plastics of compact structure, but insufficient strength is big,
Particularly with there being the fiber glass epoxy of honeycomb sandwich construction, this type of technique the most inapplicable.
Summary of the invention
In order to make the honeycomb sandwich construction fiber glass epoxy antenna of a kind of high-quality, meet antenna every electrically
Energy index, spy of the present invention provides a kind of honeycomb sandwich construction fiber glass epoxy antenna metal metallization processes.
The present invention solves existing issue by the following technical solutions: a kind of honeycomb fiber glass epoxy antenna metal
Metallization processes, includes antenna surface and closes modification → antenna pre-treatment, including oil removing roughening and modified envelope
Close material roughening → antenna metallization, become metal film and plating thickening → metallic diaphragm three to locate after preventing including chemistry
Reason, such sequential process process.
Described antenna surface is closed modification and is referred to: 1) first by honeycomb sandwich construction expoxy glass base steel
Surface wiped clean, preheats 0.5h at 45～55 DEG C；2) then one layer it is coated with equably at matrix surface
Self-control epoxy can plate glue, cold curing 24 hours；3) finally it is mechanical grinding to moist, draws required
Metallization pattern, non-metallized surface part adhesive tape covers protection；Described self-control epoxy can plate glue, is
Refer to include E-51 epoxy resin that mass ratio is 10:3:1:2:3～4, titanium dioxide, barium sulfate, two
Silicon oxide and the allotment glue of several composition of 651 polyamide.
Self-control epoxy can plate the compound method of glue:
1) prepare: if the titanium dioxide of brand-new, must filter with distilled water, be subsequently placed in more than 120 DEG C
Baking oven in dry 2～3h, load in air-tight bottle standby after cooling；If placed the titanium dioxide of a period of time
Titanium, then the step need not filter, dried, it is directly loadable in air-tight bottle standby；Silicon dioxide and barium sulfate are put
In the baking oven of 100 ± 5 DEG C, dry more than 2h, load in air-tight bottle standby after cooling；
2) preparation: weigh silicon dioxide, barium sulfate in proportion, first with a small amount of E-51 epoxy resin at glass
It is adjusted on glass platen to be invisible to the naked eye till granule, adds surplus E-51 epoxy resin and stir, adjust
Put into well in Sheng peptization device；Stir into 651 polyamide during onsite application again can use.
Described antenna pre-treatment, including the processing step of leak detection → oil removing roughening → modified closed material roughening；
Oil removing is roughened, and refers to sequentially pass through: the step that mechanical coarsening → flowing water cleaning → chemical deoiling and degreasing → flowing water cleans；
Modified closed material roughening, refers to sequentially pass through: roughening one → flowing water clean → soak hydrochloric acid → flowing water clean →
Roughening two → flowing water cleans → soaks the step that hydrochloric acid → flowing water cleans.
Described mechanical coarsening refer to that sand papering is roughened；Chemical deoiling and degreasing refers to that antenna concentration be 0～60g/l
Sodium hydroxide scrub at 55～60 DEG C or soak 5～10 minutes；Roughening one refers to antenna molten with every liter
Liquid contains the chromium oxide of 400～450g and the mixed solution of the sulphuric acid of 200～250ml, at 48～55 DEG C
Scrub or soak 10～15 minutes；Roughening two refer to in every liter of solution containing 300～350ml sulphuric acid with
The Fluohydric acid. mixed solution of 15ml is scrubbed at 50～55 DEG C or soaks 10～15 minutes；Leaching hydrochloric acid refers to
Percent by volume be 20% hydrochloric acid solution in soak 3～8 minutes.
Described antenna metallization processes in technique, and antenna surface chemistry becomes the procedural order of metal film to be: preimpregnation
→ colloid palladium catalysis → washing → acceleration process → flowing water cleaning → electroless copper → washing → pickling → plating
Copper → flowing water cleans → and chemistry rupture of membranes → flowing water cleaning → anti-oxidation process → flowing water cleans → dries → goes to prevent
Plating application of anti-leakage layers.
Described preimpregnation refers to antenna to be put in stannous chloride and hydrochloric acid mixed solution, soaks 1～3 under room temperature
Minute；Colloid palladium catalysis refers to: first preparation second liquid: containing 75g stannous chloride, 200ml in every liter of solution
Hydrochloric acid, the mixed liquor of 7g sodium stannate, prepare solution A: afterwards containing 1g Palladous chloride., 100ml in every liter of solution
Hydrochloric acid, 2.54g stannous chloride mixed solution；Finally add protochloride when 30 DEG C ± 2 DEG C during solution A preparation
Stannum stirs 0～15 minute, pours into immediately after in second liquid, stirs, is warming up to 50 ± 2 DEG C, constant temperature
Till reacting 3h, dilute, then antenna is soaked in the solution 10～15 minutes；Acceleration processes:
Refer in the sodium hydroxide solution of 100g/l, soak antenna 10～15 minutes；Electroless copper: be to instigate
With in every liter of solution containing 50g sodium potassium tartrate tetrahydrate, 9g copper sulfate, 9g sodium hydroxide, 12ml formaldehyde mixed
Closing solution, antenna soaks 20～30 minutes at 21～27 DEG C.Pickling: refer to workpiece to be immersed in acid solution
Put a period of time；Electro-coppering: refer to the process using electrolytic method at copper-depositing on surface coating；Chemistry rupture of membranes:
It is to use Ammonium persulfate. and the sulfuric acid mixture liquid of 10～20ml containing 180～200ml in every liter of solution, will
Immersion 0.5～1 minute put into by antenna；Anti-oxidation process: be the BTA immersion treatment using 1g/l
0.5～1 minute；Go anti-plated application of anti-leakage layers: refer to be used in what non-metallized surface covered when removing closing modification
Adhesive tape.
The described anti-post processing of metallic diaphragm three, refers to antenna to be placed in BTA passivating solution immersion
0.5～1 minute.
The technique that the present invention uses, has the beneficial effect that and deposits at honeycomb sandwich construction glass fiber reinforced plastic surface
The metal of certain figure, meets antenna and receives or the requirement of interference signal, solves metallic diaphragm and matrix
Adhesion, large area chemistry sink the key technologies such as metal film, and metal film layer surface is bright, smooth, consistent,
Matrix is firm with basal body binding force without sand holes, pinprick, coating, and average thickness is more than 30 μ, every electrical property
Index meets Antenna Design requirement.The antenna that the application present invention produces, advantage is honeycomb sandwich construction epoxy
Glass-reinforced plastic material is lightweight, corrosion-resistant, easy-formation, after metallization except having metal appearance, also can have
The features such as surface conductance, heat conduction, magnetic conduction, solvent resistant etch, resistance to light, are well suited for antenna and make,
There is higher practicality, reliability, it is simple to the characteristic of the use that production and processing is promoted.
Detailed description of the invention
Honeycomb sandwich construction fiber glass epoxy antenna metal metallization processes refers at honeycomb sandwich construction expoxy glass
Steel matrix surface obtains the process of certain thickness metallic diaphragm through modification.
Present invention process route can be summarized as: antenna surface is closed modification → antenna pre-treatment and (included removing
Oil roughening and the roughening of modified closed material) → antenna metallization process (include chemical become metal film and plating add
Thick) the anti-post processing of → metallic diaphragm three, the process of the most several orders.
One, antenna surface closes modification
Described antenna surface closes modification, refers to: 1) first will need metallized honeycomb sandwich construction
Fiber glass epoxy matrix surface with alcohol wipe clean after, at 45～55 DEG C, preheat 0.5h；2) then exist
Matrix surface is coated with last layer self-control epoxy uniform and thinly can plate glue, cold curing 24 hours；3) last machine
Tool polishing solidified surface, to moist, draws required by drawing at expoxy glass steel matrix film surface
Metallization pattern, non-metallized surface part adhesive tape covers protection.
The purpose closing modification is to be formed on loose porous honeycomb sandwich construction fiber glass epoxy surface
One layer fine and close and metal level can the film layer of strong bonded.
Here, self-control epoxy used can plate glue, refers to that including mass ratio is 10:3:1:2:3's～4
E-51 epoxy resin, titanium dioxide, barium sulfate, silicon dioxide and the allotment glue of several composition of 651 polyamide.
Self-control epoxy can plate the compound method of glue:
1) if the titanium dioxide newly bought may slightly subacidity, must filter with distilled water, then
It is placed in the baking oven of more than 120 DEG C baking 2～3h, loads in air-tight bottle standby after cooling；If not new
Titanium dioxide, without subacidity, the then step need not filter, dried, is directly loadable in air-tight bottle standby.
2) more than 2h is dried during silicon dioxide microparticle and barium sulfate are placed on the baking oven of 100 ± 5 DEG C before use, cold
Load in air-tight bottle standby the most afterwards.
3) weigh a certain amount of silicon dioxide, barium sulfate in proportion, first exist with a small amount of E-51 epoxy resin
It is adjusted on glass table plate to be invisible to the naked eye till granule, adds surplus E-51 epoxy resin and stir i.e.
Can, mix up put into Sheng peptization device in standby.
4) when using, scene stirs into 651 polyamide and can use.
The method that non-metallized surface covers protection with adhesive tape is exactly first not remove with double faced adhesive tape U.S. stricture of vagina paper, note
Clothes are cut out by template graphics in template, then paste double faced adhesive tape with adhesive tape, adhere to non-metallic glass
Glass matrix surface.
The glue surface of solidification draws figure, draws vestige with pencil.
Two, antenna pre-treatment
Described antenna pre-treatment, the honeycomb sandwich construction fiber glass epoxy after being primarily referred to as closing modification
Carry out oil removing roughening and modified closed material two technical processs of roughening.
Before antenna pre-treatment, first with 45～50 DEG C of hot water leakage detectings, as found to leak, it is necessary to mending-leakage.This
Being because, antenna is to be produced on cellular glass steel substrate, and carrier is hollow, if leaking explanation surface
Sealing bad, affect antenna performance, needs self-control epoxy can plate glue coating.
Oil removing is roughened, and refers to sequentially pass through the step that mechanical coarsening → flowing water cleaning → chemical deoiling and degreasing → flowing water cleans
Suddenly.Wherein, mechanical coarsening refer to that sand papering is roughened, make coated face form the micro-rough table of uniformly continuous
Face；Chemical deoiling and degreasing refers to sodium hydroxide (NaOH) (brush at 55～60 DEG C that concentration is 0～60g/l
Wash, soak can) 5～10 minutes, make coated face not hang the globule.
Modified closed material roughening, refers to plate the composition contained by glue according to self-control epoxy, selects these things
Matter has the chemical solution etching surface of slight erosion effect, thus forms countless micropore at glass surface, increases
Surface area and some polar group of generation.Strictly to control coarsening time and temperature, because roughening is not with thick
Change the adhesion that excessively all can affect metallic diaphragm.
Modified closed material roughening order is carried out in accordance with the following steps: roughening one → flowing water clean → soak hydrochloric acid →
Flowing water cleans → is roughened two → flowing water and cleans → soak hydrochloric acid → flowing water cleaning.
Roughening one refers to the antenna chromium oxide (CrO containing 400～450g in every liter of solution3) and 200～
Sulphuric acid (the H of 250ml2SO4) mixed solution scrub at 48～55 DEG C or soak 10～15 minutes.Slightly
Changing for the moment, strict temperature control and time, coated face immerses solution, or solution waters and pours coated face, at any time
Observe, do not allow antenna deformation.
Roughening two refers to the sulphuric acid (H containing 300～350ml in every liter of solution2SO4) and the hydrogen fluorine of 15ml
Acid (HF) mixed solution is scrubbed at 50～55 DEG C or soaks 10～15 minutes (notes: Fluohydric acid. in solution
Readily volatilized, note regular replenishment, magnitude of recruitment presses chemical analysis results, other solution electroplating technology routinely
Require to safeguard).After roughening two roughening, coated face uniformity, without metachromatism.
Leaching hydrochloric acid refers to soak 3～8 minutes in the hydrochloric acid solution that percent by volume is 20%.
Through the antenna of pre-treatment, form one at nonmetallic surface (that is on metallic pattern)
The hole of a little roughening.Metalized followed by antenna.
Three, antenna metallization processes
Antenna metallization processes, and becomes metal film and plating to thicken two including the antenna of pre-treatment carries out chemistry
Technical process.The a large amount of holes formed after being roughened due to nonmetallic surface have characterization of adsorption, so in order to
Induction-chemical deposition metal process is carried out on these surfaces, it is necessary to first absorption one layer has catalysis activity
Precious metal palladium core so that chemical deposition metal reaction is suitable on the matrix surface of whole catalytic treatment
Profit is carried out.
Antenna surface chemistry becomes the procedural order of metal film to be: at the catalysis → washing → acceleration of preimpregnation → colloid palladium
Reason → flowing water cleaning → electroless copper → washing → pickling → electro-coppering → flowing water cleans → chemistry rupture of membranes → stream
Water cleaning → anti-oxidation process → flowing water cleans → dries → go anti-plated application of anti-leakage layers.
Preimpregnation: refer to antenna to be put into stannous chloride (SnCl2·2H2And hydrochloric acid (HCl) mixed solution O)
In, soak 1～3 minute under room temperature.The compound method of stannous chloride and hydrochloric acid solution is: first by SnCl2·2H2O
After being completely dissolved in hydrochloric acid, then add cold water to required volume, every liter of Chlorine in Solution stannous 70g, salt
Acid 30ml, remaining is all water.Must be noted that SnCl2·2H2O facile hydrolysis, if to become milky muddy for solution
Turbid liquid, shows to generate the hydrolysate of alkali formula stannate, forbids to use.
Colloid palladium is catalyzed: refers to prepare two kinds of solution of first, second respectively, mixes the most under certain condition,
Antenna is soaked 10～15 minutes in catalytic solution.
First solution refers to: containing 1g Palladous chloride. (PdCl in every liter of solution2), 100ml hydrochloric acid, 2.54g
Stannous chloride (SnCl2·2H2O) mixed solution, remaining is water.Palladous chloride. is first dissolved in hydrochloric acid, adds
Water, then under the constant temperature of 30 DEG C ± 2 DEG C, add stannous chloride, stirring reaction 0～15 minute, become liquid.
The activity of colloid palladium and stability depend on time and the temperature of stirring, it is necessary to strictly monitor.
Second solution refers to: containing the stannous chloride of 75g, the hydrochloric acid of 200ml, 7g in every liter of solution
Sodium stannate (Na2SnO33H2O), remaining is water.Stannous chloride is first dissolved in hydrochloric acid, adds water afterwards, then
Sodium stannate is dissolved in solution, becomes liquid.
The mixed preparation method of both solution is: first preparation second liquid, the limit of temperature because second liquid has no time
System, solution A has the requirement of temperature, time, so after preparing second liquid, then prepare solution A.Solution A preparation time
After 30 DEG C ± 2 DEG C add stannous chloride stirring 0～15 minute, pour into immediately in second liquid, be uniformly mixed,
Being warming up to 50 ± 2 DEG C, isothermal reaction 3h, solution (is joined by till the dark green sepia that changes into, rear dilute
1 liter of solution is just diluted to 1 liter, joins 100 liters of solution and is just diluted to 100 liters).Because your gold Palladous chloride. belongs to
Belong to solution, it is necessary to matching while using, typically can be recycled in two to three months.As solution needs to recycle,
During preparation, Palladous chloride. content presses the upper limit of formula, must add Palladous chloride. when reusing at any time according to consumption
And associated materials.
Acceleration processes: refer to soak antenna in the sodium hydroxide solution of 100g/l 10～15 minutes.
Electroless copper: refer to use the sodium potassium tartrate tetrahydrate (KNaC containing 50g in every liter of solution4H4O6·4H2O),
Copper sulfate (the CuSO of 9g4·5H2O), the sodium hydroxide (NaOH) of 9g, 12ml formaldehyde (HCHO) mixed
Close solution, antenna is soaked 20～30 minutes at 21～27 DEG C.During preparation solution, sodium potassium tartrate tetrahydrate dissolves
Yu Shuihou, adds copper sulfate, and stirring is allowed to be completely dissolved, and is slowly added into the sodium hydroxide dissolved, and adjusts
PH value is 12～13, needs to add formaldehyde before antenna immerses solution again.
Antenna being immersed chemical copper plating solution, sees the deposition of copper in 30～60 seconds, within 2 minutes, planted agent is complete
Cover coated face, otherwise must strip layers of copper and do over again.This chemical bronze plating liquid is low copper amount formula, strict
Control load 1-1.5dm2/ l(load is exactly workpiece).Strict control electroplating bath inner anode area and cathode plane
Long-pending ratio is two-to-one (anode of general electro-coppering is electrolytic copper plate, and negative electrode is exactly workpiece to be plated).Plating
Anodic passivity likely occurs, anode to be cleaned before plating, it is electrolysed 30～40 minutes, anode generates complete
Black film.
Pickling: refer to workpiece to be immersed in acid solution put a period of time.
Electro-coppering: refer to the process using electrolytic method at copper-depositing on surface coating.
Chemistry rupture of membranes: use the Ammonium persulfate. ((NH containing 180～200ml in every liter of solution exactly4)2S2O8)
With 10～20ml sulfuric acid mixture liquid, the antenna of copper plating film is put into immersion 0.5～1 minute.
Anti-oxidation process: use the BTA immersion treatment 0.5 of 1g/l～1 minute exactly.
Go anti-plated application of anti-leakage layers: refer to remove the anti-plated leakage preventing tape above used.
Plating thickeies: thicken electro-coppering exactly.
Because Chemical metal film layer is thin, so after chemistry becomes metal film, can thicken with direct copper plating or nickel plating, for
Improve the thermal shock resistance of coating, preferably select copper facing, because the thermal coefficient of expansion of layers of copper is comparatively close to non-gold
Belong to material.
Plating process for upsetting method is: because the density of honeycomb sandwich construction fiberglass is generally less than 1.0g/cm3,
For preventing big antenna element from floating in the electrolytic solution that density is big, part should clamping on hanger, hanger is also
Should fixation on conducting rod, also can use, to being used as the hanger of pretreatment specially, the method hanging weight.
Some nonmetallic materials rigidity is little, yielding, answers clamping at the bigger position of part wall thickness, and clamping power is unsuitable
Excessive.Because Chemical metal film layer is thin, the most only at the beginning of 0.1～0.2 μm, hanger and part contact position
Beginning poorly conductive, resistance are big, it is noted that make contact area little, quantity is many, and connecting point position should make electric current
Distribution ratio is more uniform.
Four, the anti-post processing of metallic diaphragm three
Refer to antenna workpiece to be placed in passivating solution immersion 0.5～1 minute, use BTA solution.Prevent
Metallic diaphragm oxide etch, extends the service life having the antenna of metallic diaphragm under outdoor conditions.
It is only concrete application example, not an any limitation of the invention of the present invention described on, every
Any simple modification that above example is made by the technical spirit according to the present invention, change, all still fall within this
Bright protection domain.Antenna surface closing modification and modified closed material roughening are the important skills of the present invention
Art feature, the nonmetallic surface metallization that this technology is rough surface, porosity is bigger provides one to be had
The measure of effect.
Claims (5)
1. a honeycomb fiber glass epoxy antenna metal metallization processes, it is characterised in that: include antenna
Surface-closed modification → antenna pre-treatment, including oil removing roughening and the roughening of modified closed material →
Antenna metallization, becomes metal film and the plating anti-post processing of thickening → metallic diaphragm three including chemistry, this
The sequential process process of sample；
Described antenna surface is closed modification and is referred to: 1) first by honeycomb sandwich construction expoxy glass
Steel matrix surface wipes is clean, preheats 0.5h at 45～55 DEG C；2) then equal at matrix surface
It is coated with one layer of self-control epoxy evenly and can plate glue, cold curing 24 hours；3) finally it is mechanical grinding to carefully
Greasy smooth, draw required metallization pattern, non-metallized surface part adhesive tape covers protection；
Described self-control epoxy can plate glue, refers to include the E-51 that mass ratio is 10:3:1:2:3～4
Epoxy resin, titanium dioxide, barium sulfate, silicon dioxide and the allotment of several composition of 651 polyamide
Glue；
Self-control epoxy can plate the compound method of glue:
1) prepare: if the titanium dioxide of brand-new, must filter with distilled water, be subsequently placed in 120 DEG C
Above baking oven dries 2～3h, loads in air-tight bottle standby after cooling；If placed a period of time
Titanium dioxide, then the step need not filter, dried, be directly loadable in air-tight bottle standby；Dioxy
SiClx and barium sulfate are placed in the baking oven of 100 ± 5 DEG C baking more than 2h, load in air-tight bottle standby after cooling
With；
2) preparation: weigh silicon dioxide, barium sulfate in proportion, first with a small amount of E-51 asphalt mixtures modified by epoxy resin
Fat is adjusted to be invisible to the naked eye till granule on glass table plate, adds surplus E-51 epoxy resin and stirs
Mix uniformly, mix up and put in Sheng peptization device；Stir into 651 polyamide during onsite application again can use.
Honeycomb fiber glass epoxy antenna metal metallization processes the most according to claim 1, its feature
It is: described antenna pre-treatment, including the work of leak detection → oil removing roughening → modified closed material roughening
Skill step；Oil removing is roughened, and refers to sequentially pass through: mechanical coarsening → flowing water cleaning → chemical deoiling and degreasing →
The step that flowing water cleans；Modified closed material roughening, refers to sequentially pass through: roughening one → flowing water is clear
Wash → soak hydrochloric acid → flowing water to clean → be roughened two → flowing water and clean → soak the step that hydrochloric acid → flowing water cleans
Suddenly.
Honeycomb fiber glass epoxy antenna metal metallization processes the most according to claim 2, its feature
It is: described mechanical coarsening refer to that sand papering is roughened；
Chemical deoiling and degreasing refers to the sodium hydroxide that antenna concentration is 0～60g/l to brush at 55～60 DEG C
Wash or soak 5～10 minutes；
Roughening one refer to antenna with in every liter of solution contain 400～450g chromium oxide and 200～
The mixed solution of the sulphuric acid of 250ml, scrubs at 48～55 DEG C or soaks 10～15 minutes；
Roughening two refers to mix containing the sulphuric acid of 300～350ml and the Fluohydric acid. of 15ml with in every liter of solution
Close solution scrub at 50～55 DEG C or soak 10～15 minutes；
Leaching hydrochloric acid refers to soak 3～8 minutes in the hydrochloric acid solution that percent by volume is 20%.
Honeycomb fiber glass epoxy antenna metal metallization processes the most according to claim 1, its feature
It is: described antenna metallization processes in technique, wherein,
Antenna surface chemistry becomes the procedural order of metal film to be: preimpregnation → colloid palladium catalysis → washing →
Acceleration process → flowing water cleaning → electroless copper → washing → pickling → electro-coppering → flowing water cleans → changes
Learn rupture of membranes → flowing water cleaning → anti-oxidation process → flowing water clean → dry → go anti-plated application of anti-leakage layers；
Described preimpregnation refers to antenna to be put in stannous chloride and hydrochloric acid mixed solution, soaks under room temperature
1～3 minute；
Colloid palladium catalysis refer to: first preparation second liquid: in every liter of solution containing 75g stannous chloride, 200
Ml hydrochloric acid, the mixed liquor of 7g sodium stannate, prepare solution A afterwards: in every liter of solution containing 1g Palladous chloride.,
100ml hydrochloric acid, 2.54g stannous chloride mixed solution；During solution A preparation finally when 30 DEG C ± 2 DEG C
Add stannous chloride to stir 0～15 minute, pour into immediately after in second liquid, stir, heat up
To 50 ± 2 DEG C, isothermal reaction 3h, till dilute, then antenna is soaked in the solution 10～
15 minutes；
Acceleration processes: refer to antenna is soaked in the sodium hydroxide solution of 100g/l 10～15 points
Clock；
Electroless copper: refer to use in every liter of solution containing 50g sodium potassium tartrate tetrahydrate, 9g copper sulfate,
9g sodium hydroxide, the mixed solution of 12ml formaldehyde, antenna soaks 20～30 points at 21～27 DEG C
Clock；
Pickling: refer to workpiece to be immersed in acid solution put a period of time；
Electro-coppering: refer to the process using electrolytic method at copper-depositing on surface coating；
Chemistry rupture of membranes: be use in every liter of solution containing 180～200ml Ammonium persulfate. and 10～
The sulfuric acid mixture liquid of 20ml, puts into immersion 0.5～1 minute by antenna；
Anti-oxidation process: be to use the BTA immersion treatment 0.5 of 1g/l～1 minute；
Go anti-plated application of anti-leakage layers: refer to be used in, when removing closing modification, the glue that non-metallized surface covers
Band.
Honeycomb fiber glass epoxy antenna metal metallization processes the most according to claim 1, its feature
It is: the described anti-post processing of metallic diaphragm three, refers to antenna to be placed in BTA passivating solution
Soak 0.5～1 minute.
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| CN86101391A (en) * | 1986-03-06 | 1987-09-16 | 中国人民解放军装甲兵工程学院 | Method with metalization of non-metal product surface by brush plating |
| CN1699623A (en) * | 2004-05-20 | 2005-11-23 | 佛山市顺德区汉达精密电子科技有限公司 | Method for surface metallization of non-metallic material products |
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2013
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86101391A (en) * | 1986-03-06 | 1987-09-16 | 中国人民解放军装甲兵工程学院 | Method with metalization of non-metal product surface by brush plating |
| CN1699623A (en) * | 2004-05-20 | 2005-11-23 | 佛山市顺德区汉达精密电子科技有限公司 | Method for surface metallization of non-metallic material products |
Non-Patent Citations (1)
| Title |
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| 室温固化型可镀环氧胶的研究与应用;冯建业;《中国电子学会生产技术学会第三届化工学会年会论文汇编(下)》;19911231;第1页 * |
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